MCQOPTIONS
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MCQOPTIONS
This section includes 114 Mcqs, each offering curated multiple-choice questions to sharpen your BITSAT knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
The bar of iron 2 cmx2 cm having area 40 cm with the resistivity of 11 x 10-8 ohm meter will have the resistance |
| A. | 2.1 x 10-4 ohm |
| B. | 3.1 x 10-4 ohm |
| C. | 4.1 x 10-4 ohm |
| D. | 1.1 x 10-4 ohm |
| Answer» E. | |
| 102. |
The liquid that is used to conduct current is called |
| A. | electrolysis |
| B. | electrode |
| C. | electrolyte |
| D. | cathode |
| Answer» D. cathode | |
| 103. |
Equation (E1-IR1-E2-IR2 = 0) is the statement of |
| A. | Kirchhoff's fourth rule |
| B. | Kirchhoff's third rule |
| C. | Kirchhoff's second rule |
| D. | Kirchhoff's first rule |
| Answer» D. Kirchhoff's first rule | |
| 104. |
The potential difference between ends of conductor maintained by the battery is |
| A. | different |
| B. | constant |
| C. | zero |
| D. | one |
| Answer» C. zero | |
| 105. |
The system international unit of the conductivity of the material is |
| A. | ohm m |
| B. | ohm |
| C. | ohm-1m |
| D. | ohm-1m-1 |
| Answer» E. | |
| 106. |
The fractional change in resistance per kelvin is known as |
| A. | temperature constant |
| B. | resistance coefficient |
| C. | temperature coefficient |
| D. | resistance constant |
| Answer» D. resistance constant | |
| 107. |
When the charge of 90C passes through wire in 1 hour 15 min then its current will be |
| A. | 10mA |
| B. | 20mA |
| C. | 30mA |
| D. | 40mA |
| Answer» C. 30mA | |
| 108. |
Potential difference of any device can be measured with the instrument known as |
| A. | voltmeter |
| B. | potentiometer |
| C. | CRO |
| D. | galvanometer |
| Answer» B. potentiometer | |
| 109. |
Power can be represented in the variety of ways as |
| A. | VxI |
| B. | I2R |
| C. | V2/R |
| D. | all above |
| Answer» E. | |
| 110. |
Current flowing through a conductor, when 2 x 107 electrons pass in 1 micro sec will be |
| A. | 1.6 x 10-6 |
| B. | 3.2 x 10-6 |
| C. | 4.2 x 10-6 |
| D. | 6 x 10-6 |
| Answer» C. 4.2 x 10-6 | |
| 111. |
The electromotive force of a battery can be defined with the formula of |
| A. | E = IR |
| B. | E = IR + I |
| C. | E = IR + r |
| D. | E = IR + Ir |
| Answer» E. | |
| 112. |
The sum of all the potential changes in a closed circuit is zero, the stated law is called |
| A. | Kirchhoff's first rule |
| B. | Kirchhoff's second rule |
| C. | Kirchhoff's third rule |
| D. | Kirchhoff's fourth rule |
| Answer» C. Kirchhoff's third rule | |
| 113. |
One effect that is not produced by the current is |
| A. | contraction effect |
| B. | heating effect |
| C. | magnetic effect |
| D. | chemical effect |
| Answer» B. heating effect | |
| 114. |
EMF is an abbreviation of the |
| A. | electromotive force |
| B. | electrical motive force |
| C. | electroni cmotive force |
| D. | both a and b |
| Answer» B. electrical motive force | |