Q121
An energy source forces a constant current of 5 ampere for 4 sec to flow through a light bulb. If 3 kJ is give in terms of light energy, the voltage drop across the bulb is . . . . . . . .
A.
150 V
AnswerB.
75 V
C.
25 V
D.
100 V
Answer: Option A
Solution
Answer: Option A
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