W
l Current. (CBSE Sample Paper
Short Answer Type-I (SA-D (2 Marks each)
1. The filament of an electric lamp draws a current of
0.4 amperes, which lights for 3 hours. Calculate the
amount of charge that flows through the circuit.
(CBSE 2000)
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Answer:
I=0.4A
t=3h=3×60×60=10800
charge =?
I=Q/T
Q=IT
=0.4×10800
=4320 C
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