Question

A 100 W electric light bulb is connected to a 250 V supply . Determine (a) the current flowing in the bulb , and (b) the resistance of the bulb​

Answer 1

Answer:

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Answer 2

Explanation:

Given :

P = 100W

V = 250V

1. The current flowing Through the filament=

I = P/V

= 1000/250 = 4A

2. The resistance of filament =

I = V²/P

= (250)²/100

= 625 ohm

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