SI Units — task. Physics CBSE Live product, Class 10 (2026-27).

Choose the best answer below:

1. What is the standard SI unit for expressing electric current?

ampere
coulomb
ohm
volt

2. One ampere is the current flowing through a conductor when:

One coulomb of charge flows through it in one second
One volt of potential difference is maintained across it for one minute
One ohm of resistance produces one volt of potential difference
One joule of work is done to move one coulomb of charge

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