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Physics MCQs Quiz For Entry Test
1. In case of metallic conductors, the charge carries are:
Protons
Antiprotons
Positrons
Electrons (Answer)
2. The voltmeter can read the (Answer) potential difference only when the current drawn by it from the circuit is:
Greater
Much Smaller
Smaller
Zero (Answer)
3. Most practical applications of electricity involve:
Charges in motion (Answer)
Charges at rest
Electrons at rest
Atoms in motion
4. The unit of resistance is:
Coulomb
Ampere
Volt
Ohm (Answer)
5. The current that flows through the coil of a motor causes:
Its shaft to revolve
Motor to move
Its shaft to rotate (Answer)
Its brushes to rotate
6. The conventional current is the name given to current due to flow of:
Negative charges
Positive charges (Answer)
Positrons
Positrons and Negative charges
7. An ideal voltmeter has:
Large resistance
Zero resistance
Infinite resistance (Answer)
Small resistance
8. The best conductor is:
Copper
Silver (Answer)
Gold
Aluminium
9. The unit of resistivity is:
Ohm per meter
Ohm
Meter per ohm
Ohm-meter (Answer)
10. A current of 1 ampere is passing through a conductor. The charge passing through it in half a minute is:
2 Coulombs
One Coulomb
0.5 Coulomb
30 Coulombs (Answer)
11. Which instrument is expensive and difficult to use?
Voltmeter
Potentiometer and CRO
CRO (Answer)
Potentiometer
12. The practical unit of current is:
Ohm
Volt
Ampere (Answer)
Coulomb
13. The dissimilar metals joined at their ends kept at constant temperature constitute:
Potentiometer
Thermocouple (Answer)
Voltmeter
Cell
14. No deflection in the galvanometer in a balanced wheat-stone bridge means that the terminals of galvanometer are at:
No potential
Small potential (Answer)
Zero potential
Different potential
15. As compared to the circuit resistance across which the voltmeter is connected, its resistance should be:
Large (Answer)
Equal
Small
Much smaller
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