Physics Current Electricity Online Quiz Test MCQs

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Physics Current Electricity Online Quiz Test MCQs

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Physics

1. The unit of resistance is:

Ampere

Volt

Coulomb

Ohm

Question 1 of 15

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2. Which instrument is expensive and difficult to use?

Potentiometer and CRO

Voltmeter

CRO

Potentiometer

Question 2 of 15

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3. Most practical applications of electricity involve:

Charges at rest

Charges in motion

Electrons at rest

Atoms in motion

Question 3 of 15

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4. The voltmeter can read the correct potential difference only when the current drawn by it from the circuit is:

Greater

Zero

Smaller

Much Smaller

Question 4 of 15

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5. The current that flows through the coil of a motor causes:

Motor to move

Its shaft to rotate

Its brushes to rotate

Its shaft to revolve

Question 5 of 15

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6. A current of 1 ampere is passing through a conductor. The charge passing through it in half a minute is:

30 Coulombs

0.5 Coulomb

One Coulomb

2 Coulombs

Question 6 of 15

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7. The dissimilar metals joined at their ends kept at constant temperature constitute:

Voltmeter

Cell

Thermocouple

Potentiometer

Question 7 of 15

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8. The best conductor is:

Copper

Aluminium

Silver

Gold

Question 8 of 15

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9. No deflection in the galvanometer in a balanced wheat-stone bridge means that the terminals of galvanometer are at:

Zero potential

Different potential

Small potential

No potential

Question 9 of 15

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10. An ideal voltmeter has:

Small resistance

Infinite resistance

Large resistance

Zero resistance

Question 10 of 15

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11. The unit of resistivity is:

Ohm per meter

Ohm-meter

Meter per ohm

Ohm

Question 11 of 15

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12. The practical unit of current is:

Volt

Ampere

Ohm

Coulomb

Question 12 of 15

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13. The conventional current is the name given to current due to flow of:

Positrons and Negative charges

Positrons

Positive charges

Negative charges

Question 13 of 15

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14. As compared to the circuit resistance across which the voltmeter is connected, its resistance should be:

Equal

Small

Much smaller

Large

Question 14 of 15

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15. In case of metallic conductors, the charge carries are:

Electrons

Positrons

Antiprotons

Protons

Question 15 of 15

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