MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The metal used to make lightning conductor is? |
| A. | Copper |
| B. | iron |
| C. | aluminum |
| D. | zinc |
| Answer» B. iron | |
| 2. |
Which of the following is not a part of CRT? |
| A. | shadow cover |
| B. | foster plan |
| C. | gas plasma |
| D. | electron gun |
| Answer» D. electron gun | |
| 3. |
A superconductor is a conductor whose what is zero? |
| A. | Current |
| B. | potential |
| C. | motivation |
| D. | Resistance |
| Answer» E. | |
| 4. |
Is the sun visible when it rises and sets? |
| A. | Red |
| B. | Blue |
| C. | Black |
| D. | Yellow |
| Answer» B. Blue | |
| 5. |
How does the pupil size in bright light? |
| A. | big |
| B. | small |
| C. | no change |
| D. | none of these |
| Answer» C. no change | |
| 6. |
The point in the human eye which is not at all sensitive to light is called? |
| A. | corpuscle |
| B. | blind point |
| C. | near point |
| D. | far point |
| Answer» C. near point | |
| 7. |
The device for generating electric current is called? |
| A. | ammeter |
| B. | galvanometer |
| C. | generator |
| D. | meter |
| Answer» D. meter | |
| 8. |
Can eyes with farsightedness see clearly? |
| A. | near objects |
| B. | big things |
| C. | distant objects |
| D. | none of these |
| Answer» D. none of these | |
| 9. |
Happens in human eye? |
| A. | concave lens |
| B. | Convex mirror |
| C. | convex lens |
| D. | concave mirror |
| Answer» D. concave mirror | |
| 10. |
The glasses of a person with nearsightedness are placed in? |
| A. | convex lens |
| B. | concave lens |
| C. | bifocus lens |
| D. | cylindrical lens |
| Answer» C. bifocus lens | |
| 11. |
A person with long-sightedness has glasses in? |
| A. | concave lens |
| B. | bifocus lens |
| C. | convex lens |
| D. | cylindrical lens |
| Answer» D. cylindrical lens | |
| 12. |
What is the anode of a 'dry cell' made of? |
| A. | cadmium |
| B. | graphite |
| C. | lead |
| D. | Such as |
| Answer» C. lead | |
| 13. |
Who invented 'Video Tape'? |
| A. | by charles ginsberg |
| B. | By Richard James |
| C. | Georges de Maestrol |
| D. | pt. by farnsworth |
| Answer» B. By Richard James | |
| 14. |
Dynamo is a device which? |
| A. | converts electrical energy into mechanical energy |
| B. | produces mechanical energy |
| C. | produces electrical energy |
| D. | converts mechanical energy into electrical energy |
| Answer» E. | |
| 15. |
What is an example of a semiconductor? |
| A. | germanium |
| B. | German Silver |
| C. | arsenic |
| D. | Phosphorus |
| Answer» B. German Silver | |
| 16. |
What is a multimeter used to measure? |
| A. | voltage |
| B. | section |
| C. | Resistance |
| D. | all of the above |
| Answer» E. | |
| 17. |
What is the unit of resistivity? |
| A. | ohm-meter |
| B. | ohm/meter |
| C. | meter |
| D. | none of these |
| Answer» B. ohm/meter | |
| 18. |
Detected by galvanometer? |
| A. | energy |
| B. | Resistance |
| C. | heat |
| D. | section |
| Answer» E. | |
| 19. |
Tungsten is used for making filament of electric bulb because? |
| A. | it's cheap |
| B. | it is a conductor |
| C. | its melting point is very high |
| D. | it is shocking |
| Answer» D. it is shocking | |
| 20. |
electric charge of S |
| A. | coulomb |
| B. | ampere |
| C. | Kelvin |
| D. | ESU |
| Answer» B. ampere | |
| 21. |
The instrument used to change the speed of an electric fan is? |
| A. | regulator |
| B. | Rectifier |
| C. | switch |
| D. | Amplifier |
| Answer» B. Rectifier | |
| 22. |
On what principle do solar cells work? |
| A. | photoelectric effect |
| B. | voltaic effect of light |
| C. | Photosynthesis |
| D. | photoconducting effect |
| Answer» B. voltaic effect of light | |
| 23. |
Does photoelectric change cell? |
| A. | heat energy into mechanical energy |
| B. | mechanical energy into electrical energy |
| C. | light energy into electrical energy |
| D. | light energy into chemical energy |
| Answer» D. light energy into chemical energy | |
| 24. |
The fuse in our domestic electrical circuit melts when there is a huge surge? |
| A. | in stream |
| B. | in inspiration |
| C. | in holding |
| D. | in resistance |
| Answer» B. in inspiration | |
| 25. |
What causes the flow of electric current in a metal wire? |
| A. | proton |
| B. | electron |
| C. | Hole |
| D. | ion |
| Answer» C. Hole | |
| 26. |
What is the best material for transformer core? |
| A. | mild steel |
| B. | Stainless Steel |
| C. | soft iron |
| D. | hardened steel |
| Answer» D. hardened steel | |
| 27. |
Most of the electric power used in a filament type light bulb appears in? |
| A. | as infrared rays |
| B. | as electric heat |
| C. | as ultraviolet rays |
| D. | none of the above |
| Answer» C. as ultraviolet rays | |
| 28. |
In a photo cell, light energy is converted into? |
| A. | in chemical energy |
| B. | in potential energy |
| C. | in electrical energy |
| D. | in heat energy |
| Answer» D. in heat energy | |
| 29. |
Electricity Long Distance High Voltage A |
| A. | less energy loss |
| B. | he is fast |
| C. | that is cheap |
| D. | he is safe |
| Answer» B. he is fast | |
| 30. |
What is used in the transmission of a transistor? |
| A. | copper |
| B. | aluminum |
| C. | Silver |
| D. | silicone |
| Answer» E. | |
| 31. |
What is filled in an electric bulb? |
| A. | Carbon dioxide |
| B. | nitrogen |
| C. | oxygen |
| D. | organ |
| Answer» E. | |
| 32. |
What is the intensity of the magnetic field? |
| A. | meter/ampere |
| B. | meter/volt |
| C. | volt/current |
| D. | ampere/meter |
| Answer» E. | |
| 33. |
Tape-recorder should not be placed near which of the following? |
| A. | magnet |
| B. | watch |
| C. | radio |
| D. | electrical switch board |
| Answer» B. watch | |
| 34. |
If the copper wire is increased twice, then its resistance will be? |
| A. | one fourth |
| B. | four times |
| C. | half |
| D. | double |
| Answer» C. half | |
| 35. |
The device used to store electric charge is called? |
| A. | capacitor |
| B. | Motivational |
| C. | Transistor |
| D. | transformer |
| Answer» B. Motivational | |
| 36. |
D in electronic circuit |
| A. | holding |
| B. | Resistance |
| C. | diode |
| D. | motivation |
| Answer» B. Resistance | |
| 37. |
If a resistive wire is lengthened, then its resistance? |
| A. | decreases |
| B. | grows |
| C. | remains constant |
| D. | all of the above |
| Answer» C. remains constant | |
| 38. |
In which city of Uttar Pradesh is the famous temple of Mansadevi located? |
| A. | Meerut |
| B. | bulandshahr |
| C. | Aligarh |
| D. | Varanasi |
| Answer» B. bulandshahr | |
| 39. |
In which city of Uttar Pradesh is the temple of Bilveshwarnath located? |
| A. | Ayodhya |
| B. | Meerut |
| C. | Saharanpur |
| D. | Muzaffarnagar |
| Answer» C. Saharanpur | |
| 40. |
In which city of the state is the famous 'Mandir of Baba Aughadnath' located? |
| A. | Aligarh |
| B. | Agra |
| C. | Mathura |
| D. | Meerut |
| Answer» E. | |
| 41. |
Which of the following is the metal which is used for galvanizing iron? |
| A. | lead |
| B. | Such as |
| C. | Mercury |
| D. | copper |
| Answer» C. Mercury | |
| 42. |
How does heating a semiconductor affect its resistance? |
| A. | decreases |
| B. | grows |
| C. | keeps on fluctuating |
| D. | remains unchanged |
| Answer» B. grows | |
| 43. |
In which of the following chemical energy is converted into electrical energy? |
| A. | dynamic |
| B. | Atomic bomb |
| C. | electric heater |
| D. | battery |
| Answer» E. | |
| 44. |
In which district is the Shakambhari Devi temple located in the state? |
| A. | in saharanpur |
| B. | in Meerut district |
| C. | in Prayagraj |
| D. | in Agra |
| Answer» B. in Meerut district | |
| 45. |
Where are the 'Muslim style temples' located in Uttar Pradesh? |
| A. | in Varanasi |
| B. | in Prayagraj |
| C. | in mathura |
| D. | in Kanpur |
| Answer» D. in Kanpur | |
| 46. |
What is an electrostatic precipitator used to control? |
| A. | Radioactive pollutants |
| B. | chemical pollutants |
| C. | air pollutants |
| D. | water pollutant |
| Answer» D. water pollutant | |
| 47. |
When a coil is rotated in a magnetic field, an induced current is produced in the coil. How is this principle used? |
| A. | to make an electric generator |
| B. | to make an electric wattmeter |
| C. | to make electric motor |
| D. | to make an electromagnet |
| Answer» D. to make an electromagnet | |
| 48. |
If a magnet has a third pole, then what is the third pole called? |
| A. | result pole |
| B. | spare pole |
| C. | faulty pole |
| D. | none of these |
| Answer» B. spare pole | |
| 49. |
Woolen clothes protect the body from cold, because? |
| A. | they reflect heat |
| B. | they are good conductors of heat |
| C. | they are bad conductors of heat |
| D. | Rays enter the body through woolen cloth |
| Answer» D. Rays enter the body through woolen cloth | |
| 50. |
If a bar magnet is cut into two equal halves, what will be the effect on the polar force of each piece? |
| A. | will be half |
| B. | will double |
| C. | will be zero |
| D. | will remain the same |
| Answer» E. | |