Question

Which unit is equivalent to the coulomb?

Answer 1

Correct option is B. joule per volt
We know that

$$It = Q$$

and

$$E= VIt$$

$$\implies It = \dfrac{E}{V}$$

$$\implies Q = \dfrac{E}{V}$$

$$\implies $$ Coulomb = $$\dfrac{Joule\ }{Volt\ }$$

Also as we know that

Coulomb is the unit charge(q)

Also charge = Current$$\times$$time= Ampere second

Hence, coulomb is equivalent to Ampere- second

hence, correct options are A and B