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MCQOPTIONS
This section includes 312 Mcqs, each offering curated multiple-choice questions to sharpen your Banking And Financial Awareness knowledge and support exam preparation. Choose a topic below to get started.
| 201. |
When a fuse is rated 8A, it means |
| A. | it will not work if current is less than 8A |
| B. | it has a resistance of 8 ohm |
| C. | it will work only if current is 8A |
| D. | it will burn if current exceeds 8A |
| Answer» B. it has a resistance of 8 ohm | |
| 202. |
From a power station, the power is transmitted at a very high voltage because - |
| A. | it is generated only at high voltage |
| B. | it is cheaper to produce electricity at high voltage |
| C. | electricity at high voltage is less dangerous |
| D. | there is less loss of energy in transmission at high voltage |
| Answer» C. electricity at high voltage is less dangerous | |
| 203. |
When current is passed through an electric bulb, its filament glows, but the wire leading current to the bulb does not glow because |
| A. | less current flows in the leading wire as compared to that in the filament |
| B. | the leading wire has more resistance than the filament |
| C. | the leading wire has less resistance than the filament |
| D. | filament has coating of fluorescent material over it |
| Answer» D. filament has coating of fluorescent material over it | |
| 204. |
An electric bulb is filled with |
| A. | hydrogen |
| B. | oxygen and hydrogen |
| C. | ammonia |
| D. | nitrogen and argon |
| Answer» E. | |
| 205. |
Kilowatt-hour is the unit of |
| A. | potential difference |
| B. | electric power |
| C. | electrical energy |
| D. | charge |
| Answer» D. charge | |
| 206. |
Three bulbs of 40 W, 60 W and 100 W are connected in series to a current source of 200 V. Which of the following statements is true? |
| A. | 40 W bulb glows brightest |
| B. | 60 W bulb glows brightest |
| C. | 100 W bulb glows brightest |
| D. | All bulbs glow with same brightness |
| Answer» B. 60 W bulb glows brightest | |
| 207. |
Conductivity increases in the order of |
| A. | Al, Ag, Cu |
| B. | Al, Cu, Ag |
| C. | Cu. Al, Ag |
| D. | Ag, Cu, Al |
| Answer» C. Cu. Al, Ag | |
| 208. |
The resistance of a thin wire in comparison of a thick, wire of the same material |
| A. | is low |
| B. | is equal |
| C. | depends upon the metal of the wire |
| D. | is high |
| Answer» E. | |
| 209. |
Gases are good conductors of electricity at |
| A. | high pressure |
| B. | low pressure |
| C. | low temperature |
| D. | high temperature |
| Answer» C. low temperature | |
| 210. |
In the circuits shown below the ammeter Areads 4 amp. and the voltmeter V reads 20 volts. The value of the resistance R is |
| A. | slightly more than 5 ohms |
| B. | slightly less than 5 ohms |
| C. | exactly 5 ohms |
| D. | None of these |
| Answer» B. slightly less than 5 ohms | |
| 211. |
Potential at any point inside a charged hollow sphere |
| A. | increases with distance |
| B. | is a constant |
| C. | decreases with distance from centre |
| D. | is zero |
| Answer» C. decreases with distance from centre | |
| 212. |
Two spheres A and B of exactly same mass are given equal positive and negative charges respectively. Their masses after charging |
| A. | remains unaffected |
| B. | mass of A > mass of B |
| C. | mass of A< mass of B |
| D. | nothing can be said |
| Answer» D. nothing can be said | |
| 213. |
Which of the following is the best insulator of electricity? |
| A. | Carbon |
| B. | Paper |
| C. | Graphite |
| D. | Ebonite |
| Answer» E. | |
| 214. |
When a body is charged by induction, then the body |
| A. | becomes neutral |
| B. | does not lose any charge |
| C. | loses whole of the charge on it |
| D. | loses part of the charge on it |
| Answer» C. loses whole of the charge on it | |
| 215. |
The core of a transformer is laminated because |
| A. | the weight of the transformer may be reduced |
| B. | rusting of the core may be prevented |
| C. | ratio of voltage in primary and secondary may be increased |
| D. | energy losses due to eddy currents may be minimized |
| Answer» E. | |
| 216. |
Alternating current cannot be measured by D.C. ammeter because |
| A. | average value of current for complete cycle is zero |
| B. | A.C. changes direction |
| C. | A.C. cannot pass through D.C. ammeter |
| D. | D.C. ammeter will get damaged |
| Answer» B. A.C. changes direction | |
| 217. |
In an A.C. circuit with voltage V and current I the power dissipated is |
| A. | \[\frac{1}{\sqrt{2}}VI\] |
| B. | \[\frac{1}{2}VI\] |
| C. | VI |
| D. | dependent on the phase between V and I |
| Answer» E. | |
| 218. |
A bulb and a capacitor are connected in series to a source of alternating current. If its frequency is increased, while keeping the voltage of the source constant, then bulb will |
| A. | give more intense light |
| B. | give less intense light |
| C. | give light of same intensity before |
| D. | stop radiating light |
| Answer» B. give less intense light | |
| 219. |
Two identical conducting balls having positive charges \[{{q}_{1}}\] and \[{{q}_{2}}\]are separated by a distance r. If they are made to touch each other and then separated to the same distance, the force between them will be |
| A. | less than before |
| B. | same as before |
| C. | more than before |
| D. | zero |
| Answer» D. zero | |
| 220. |
The charge given to any conductor resides on its outer surface, because |
| A. | the free charge tends to be in its minimum potential energy state |
| B. | the free charge tends to be in its minimum kinetic energy state |
| C. | the free charge tends to be in its maximum potential energy state. |
| D. | the free charge tends to be in its maximum kinetic energy state |
| Answer» B. the free charge tends to be in its minimum kinetic energy state | |
| 221. |
A hole is drilled through the earth along the diameter and a stone is dropped into it. When the stone is at the centre of earth, it possesses |
| A. | weight |
| B. | mass |
| C. | acceleration |
| D. | potential energy |
| Answer» C. acceleration | |
| 222. |
A person sitting on a chair in a satellite feels weightless because |
| A. | the earth does not attract the objects in a satellite |
| B. | the normal force by the chair on the person balances the earth's attraction |
| C. | the normal force is zero |
| D. | the person in satellite is not accelerated |
| Answer» D. the person in satellite is not accelerated | |
| 223. |
A ball is dropped from a satellite revolving round the earth at a height of 120 km. The ball will |
| A. | continue to move with same speed along a straight line tangentially to the satellite at that time. |
| B. | continue to move with the same speed along the original orbit of satellite. |
| C. | fall down to earth gradually |
| D. | go far away in space |
| Answer» C. fall down to earth gradually | |
| 224. |
Two satellites of earth, \[{{S}_{1}}\], and \[{{S}_{2}}\] are moving in the same orbit. The mass of \[{{S}_{1}}\] is four times the mass of \[{{S}_{2}}\].Which one of the following statements is true? |
| A. | The potential energies of earth satellites in the two cases are equal. |
| B. | \[{{S}_{1}}\] and \[{{S}_{2}}\] are moving with the same speed. |
| C. | The kinetic energy of the two satellites are equal. |
| D. | The time period of \[{{S}_{1}}\] is four times that of \[{{S}_{2}}\] |
| Answer» C. The kinetic energy of the two satellites are equal. | |
| 225. |
A missile is launched with a velocity less than escape velocity. The sum of its kinetic and potential energies is |
| A. | zero |
| B. | negative |
| C. | positive |
| D. | may be positive, negative or zero |
| Answer» C. positive | |
| 226. |
There is no atmosphere on the moon because |
| A. | it is closer to the earth and also it has the inactive inert gases in it. |
| B. | it is too for from the sun and has very low pressure in its outer surface. |
| C. | escape velocity of gas molecules is greater than their root mean square velocity |
| D. | escape velocity of gas molecules is less than their root mean square velocity. |
| Answer» E. | |
| 227. |
The escape velocity of a body depends upon mass as |
| A. | \[{{m}^{0}}\] |
| B. | \[{{m}^{1}}\] |
| C. | \[{{m}^{2}}\] |
| D. | \[{{m}^{3}}\] |
| Answer» B. \[{{m}^{1}}\] | |
| 228. |
When a steady torque is acting on a body, the body |
| A. | continues in its state of rest or uniform motion along a straight line |
| B. | gets linear acceleration |
| C. | gets angular acceleration |
| D. | rotates at a constant speed |
| Answer» D. rotates at a constant speed | |
| 229. |
Two bodies A and B have masses M and m respectively where M>m and they are at a distance d apart. Equal force is applied to them so that they approach each other. The position where they hit each other is |
| A. | nearer to B |
| B. | nearer to A |
| C. | at equal distance from A and B |
| D. | cannot be determined |
| Answer» C. at equal distance from A and B | |
| 230. |
A gymnast takes turns with her arms and legs stretched. When she pulls her arms and legs |
| A. | the angular velocity decreases |
| B. | the moment of inertia decreases |
| C. | the angular velocity stays constant |
| D. | the angular momentum increases |
| Answer» C. the angular velocity stays constant | |
| 231. |
Watt-hour meter measures |
| A. | current |
| B. | voltage |
| C. | power |
| D. | electric energy |
| Answer» E. | |
| 232. |
A passenger in a moving train tosses a coin. If the coin falls behind him, the train must be moving with |
| A. | An acceleration |
| B. | a deceleration |
| C. | A uniform speed |
| D. | any of the above |
| Answer» B. a deceleration | |
| 233. |
The centre of mass of triangle shown in figure has coordinates |
| A. | \[x=\frac{h}{2},y=\frac{b}{2}\] |
| B. | \[x=\frac{b}{2},y=\frac{h}{2}\] |
| C. | \[x=\frac{b}{3},y=\frac{h}{3}\] |
| D. | \[x=\frac{h}{3},y=\frac{b}{3}\] |
| Answer» D. \[x=\frac{h}{3},y=\frac{b}{3}\] | |
| 234. |
1 kilowatt hour is equal to |
| A. | 1 joule |
| B. | 100 joule |
| C. | 36 joule |
| D. | \[3.6\times {{10}^{3}}\]kilo joule |
| Answer» E. | |
| 235. |
Swimming is possible on account of |
| A. | first law of motion |
| B. | second law of motion |
| C. | third law of motion |
| D. | Newton's law of gravitation |
| Answer» D. Newton's law of gravitation | |
| 236. |
Consider an elevator moving downwards with an acceleration a, the force exerted by a passenger of mass m on the floor of the elevator is |
| A. | \[ma\] |
| B. | \[ma-mg\] |
| C. | \[mg-ma\] |
| D. | \[mg+ma\] |
| Answer» D. \[mg+ma\] | |
| 237. |
The force exerted by the floor of an elevator on the foot of a person standing there, is more than his weight, if the elevator is |
| A. | going down and slowing down |
| B. | going up and speeding up |
| C. | going up and slowing down |
| D. | either [a] or [b] |
| Answer» C. going up and slowing down | |
| 238. |
A cannon after firing recoils due to |
| A. | conservation of energy |
| B. | backward thrust of gases produced |
| C. | Newton's third law of motion |
| D. | Newton's first law of motion |
| Answer» D. Newton's first law of motion | |
| 239. |
A person swims in a river aiming to reach exactly on the opposite point on the bank of a river. His speed of swimming is 0.5 m/s at an angle of \[120{}^\circ \] with the direction of flow of water. The speed of water is |
| A. | 1.0 m/s |
| B. | 0.5 m/s |
| C. | 0.25 m/s |
| D. | 0.43 m/s |
| Answer» D. 0.43 m/s | |
| 240. |
Which of the following are examples of uniform velocity? |
| A. | Motion of moon around earth |
| B. | Motion of planet around sun |
| C. | Motion of car on crowded road |
| D. | Motion of a moving fan |
| Answer» 1 , 2. Motion of planet around sun | |
| 241. |
A vector quantity is a physical quantity which needs |
| A. | magnitude |
| B. | direction |
| C. | both [a] and [b] |
| D. | time |
| Answer» 1 , 2. direction | |
| 242. |
The following four wires are made of the same material. Which of these will have the largest extension when the same tension is applied? |
| A. | Length = 50 cm, diameter = 0.5 mm |
| B. | Length = 100 cm, diameter = 1 mm |
| C. | Length = 200 cm, diameter = 2 mm |
| D. | Length = 300 cm, diameter = 3 mm |
| Answer» B. Length = 100 cm, diameter = 1 mm | |
| 243. |
Water is flowing through a horizontal pipe in streamline flow. At the narrowest part of the pipe |
| A. | Velocity is maximum and pressure is minimum |
| B. | Pressure is maximum and velocity is minimum |
| C. | Both the pressure and velocity are maximum |
| D. | Both the velocity and pressure are minimum |
| Answer» B. Pressure is maximum and velocity is minimum | |
| 244. |
Construction of submarines is based on |
| A. | Archimedes' principle |
| B. | Bernoulli's theorem |
| C. | Pascal' slaw |
| D. | Newton's laws |
| Answer» B. Bernoulli's theorem | |
| 245. |
An egg when placed in ordinary water sinks but floats when placed in brine. This is because |
| A. | density of brine is less than that of ordinary water |
| B. | density of brine is equal to that of ordinary water |
| C. | density of brine is greater than that of ordinary water |
| D. | None of these |
| Answer» D. None of these | |
| 246. |
A liquid rises in a capillary tube higher than water does. The difference may be due to the fact that |
| A. | diameter of the capillary may be different in the two cases |
| B. | temperature of liquid is higher than that of water |
| C. | surface tension of water is less than that of the liquid |
| D. | both [a] and [c] |
| Answer» D. both [a] and [c] | |
| 247. |
Surface tension of a liquid is due to |
| A. | gravitational force between molecules |
| B. | electrical force between molecules |
| C. | adhesive force between molecules |
| D. | cohesive force between molecules |
| Answer» E. | |
| 248. |
A drop of oil is placed on the surface of water. Which of the following statements is correct? |
| A. | It will remain on it as a sphere |
| B. | It will spread as a thin layer |
| C. | It will partly be a spherical droplet and partly a thin film |
| D. | It will float as a distorted drop on the water surface |
| Answer» C. It will partly be a spherical droplet and partly a thin film | |
| 249. |
A boy carries a fish in one hand and a bucket of water in the other hand. If he places the fish in the bucket, the weight now carried by him. |
| A. | is less than before |
| B. | is more than before |
| C. | is the same as before |
| D. | depends upon his speed |
| Answer» D. depends upon his speed | |
| 250. |
Houses far from the municipal water tank find it difficult to get water on the top floor even if their ceilings are lower than the level of water filled in tank. Its reason is |
| A. | pipes are more wide. |
| B. | pipes are less wide. |
| C. | when water flows there is loss of pressure. |
| D. | None of these |
| Answer» D. None of these | |