Question
Download Solution PDFWhat quantity of charge must be delivered by a battery with a potential difference of 110 V to do 660 J of work?
This question was previously asked in
WBPSC JE Electrical 2018 (Held on 18th Feb 2018) Official Paper
Answer (Detailed Solution Below)
Option 2 : 6 C
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Detailed Solution
Download Solution PDFThe correct answer is option 2): (6 C)
Concept:
The quantity of charge delivered by a battery with a potential difference of V to do work of W in joules J
Q = \(W \over V\)
Q in coulomb
Calculation:
W = 660 J
V = 110 V
Q = \(660 \over 110\) = 6 C
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