Question

SI unit of electromotive force is _______.

• A. newton
• B. volt
• C. ohm
• D. coulomb

Answer 1

The correct option is B

volt

The explanation for the Correct Option:

option B

1. SI unit of electromotive force is volts.
2. It do have the word ‘force’ but it is actually the energy provided by the cell/battery per coulomb of charge passing through it.
3. So, it is measured in volts.

The explanation for Incorrect Options:

Option A

Newton is the SI unit of force.

Option C

Ohms is the SI unit of Resistance

Option D

Coulomb is the SI unit of Charge

Hence, Option (b) is correct