The peak value of an alternating e.m.f. E is given by 
is 10 volts and its frequency is 50 Hz. At time 
, the instantaneous emf is
A
10 V
B
C
5 V
D
1 V
Text Solution
Verified by ExpertsThe correct answer is:
B
E 
f 
t 
The instantaneous value of emf
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