Question

an electric bulb of 15 ohm and wire of resistance 10 ohm are connected in series with a 50 volt supply find 1.total resistance 2.total current 3.potential difference across wire and bulb​

Answer 1

Answer:

1) Total resistance = 15 + 10 = 25 ohm

2) Total current = 2 A

3) potential Difference = 50V

Explanation:

V = IR

50 = I x 25

I = 50/25

I = 2 A.

Answer 2

Answer:

1. total resistance= 25ohm

2.total current= 50/25= 2A

3.potential difference across wire=2x10=20V

bulb=2x15=30V

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