alleryWhat is the work done in carrying a charge of 4 C across two points having a potential difference of 18 V?
A72 J
B24 J
C7.2 J
D4.5 J
Answer & Solution
Correct answer: A. 72 J
1. Work done W = charge x potential difference = q x V.
2. = 4 C x 18 V.
3. = 72 J.
_Source: RRB Group D CEN-02/2018 PYQ, Q.53._
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