Find $V_{b a}$ if $12$ $J$ of work has to be done against an electric field to take a charge of $10^{- 2}$ $C$ from $a$ to $b$ .

1000

V

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1200

V

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1100

V

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2400

V

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Solution

The correct option is B 1200 $V$
The work done $=$ potential energy
or $W = q V$
or $V_{b a} = \frac{W}{q} = \frac{12}{10^{- 2}} = 1200 V$

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Find Vba if 12 J of work has to be done against an electric field to take a charge of 10−2 C from a to b.

The correct option is B 1200VThe work done = potential energyor W=qVor Vba=Wq=1210−2=1200V

Find $V_{b a}$ if $12$ $J$ of work has to be done against an electric field to take a charge of $10^{- 2}$ $C$ from $a$ to $b$ .

The correct option is B 1200 $V$
The work done $=$ potential energy
or $W = q V$
or $V_{b a} = \frac{W}{q} = \frac{12}{10^{- 2}} = 1200 V$