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Physics

Grade-9

Easy

Question

How much work is done when one coulomb charge moves against a potential difference of 1 Volt?

1 J
1 Ohm
1 A
1 Watt

hint Hint:

Potential difference = $fraction numerator w o r k space d o n e over denominator c h a r g e end fraction$

The correct answer is: 1 J

Given,
Potential difference = 1 V
Charge = 1 C
We know that,
Potential difference = $fraction numerator w o r k space d o n e over denominator c h a r g e end fraction$
Thus,
Work done = $p o t e n t i a l space d i f f e r e n c e space cross times space c h a r g e$
Work done = 1 x 1
Work done = 1 J

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