The SI unit of electric charge is MCQ with Answer and Explanation

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The SI unit of electric charge is

A. Ohm

B. Coulomb

C. Ampere

D. Volt

Answer: Option B

Solution (By JKSSB Mock Tests)

Coulomb (C) is SI unit of charge. Ampere is unit of current (C/s). Volt is potential difference, ohm is resistance. One coulomb is charge transported by 1 A current in 1 s.

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Practice More Physics Questions

Question #1

Which particle has no charge?

A. Neutron

B. Alpha particle

C. Proton

D. Electron

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Correct Answer: Option A

Explanation:
Neutron is neutral (charge 0). Proton +e, electron -e. Alpha particle +2e. Neutron mass slightly more than proton. Discovered by Chadwick.

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Question #2

Which of the following is a non-ohmic conductor?

A. Copper wire

B. Silver wire

C. Iron wire

D. Diode

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Correct Answer: Option D

Explanation:
Diode has non-linear I-V characteristic. Metals are ohmic.

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Question #3

The distance between two consecutive compressions in a longitudinal wave is called

A. Time period

B. Frequency

C. Amplitude

D. Wavelength

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Correct Answer: Option D

Explanation:
Wavelength.

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