A 100 w bulb is connected to an ac source of 220 v, 50 hz. Then the current flowing through the bulb is
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Answer:
484
Explanation:
Power of bulb = 100W (Given)
Ac source = 220 v and 50Hz (Given)
Following the equation of power -
Power = Volt × Amperes
Thus, P = VI
P = V x V/R
R = V² / P
= 220 x 220 / 100
= 48400 / 100
= 484
Therefore, the current flowing through the bulb is 484hz
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