Question

An amount of 100 joules of work is done in moving a charge of 5 coulombs
from one terminal of the battery to another. What is the potential difference
of the battery?

Answer 1

Answer:

The potential difference of the battery is 20 volts.

Explanation:

Given:

• Work done, w = 100 Joules.
• Charge, Q = 5 Coulomb.

To Find:

• Potential difference, V = ?

Solution:

We know that,

Potential difference, $\sf V = \dfrac{Work \ done}{Charge \ on \ body}$

$\implies \sf V = \dfrac{100}{5}$

$\implies \sf V = 20 \ volts$

$\therefore$ Potential difference of the battery is 20 volts.

Answer 2

Answer:

The potential difference of the battery is 20 volts.

Explanation:

Given:

Work done, w = 100 Joules.

Charge, Q = 5 Coulomb.

To Find:

Potential difference, V = ?

Solution:

We know that,

Potential difference, $\sf V = \dfrac{Work \ done}{Charge \ on \ body}$

$\implies \sf V = \dfrac{100}{5}$

$\implies \sf V = 20 \ volts$

$\therefore$ Potential difference of the battery is 20 volts.

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