Question

Calculate the amount of energy consumed in carrying a charge of 1 coulomb through a battery of 3v.

Answer 1

Given, V = 3V
Q= 1c
W= ?

We know, V=W/Q
W= VQ
W= 3×5
therefore, W= 3 joule


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Answer 2

Given :

Charge (q) = 1 C

Potential (V) = 3 V

To Find :

Amount of energy consumed

Solution :

Relation between potential energy and electric potential can be given as -

Potential Energy = Charge (q) × Electric Potential (V)

So,  Energy consumed (E) = charge (q) × potential (V)

⇒    Energy consumed (E) =  1 × 3

∴     Energy consumed (E) =  3 J

Therefore, the energy consumed in carrying a charge of 1 coulomb through a battery of 3 V is 3 J.