As shown in the figure an inductor of inductance 200 mH is connected to an AC source of emf 220 V and frequency 50 Hz. The instantaneous voltage of the source is 0 V when the peak value of current is
The value of a is __________.
As shown in the figure an inductor of inductance 200 mH is connected to an AC source of emf 220 V and frequency 50 Hz. The instantaneous voltage of the source is 0 V when the peak value of current is The value of a is __________.
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1 Answer
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Let l = l0 cos wt
Then v = v0 sinwt
at t = 0, v = 0
but l = l0
a = 121 × 2
a = 242
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