What is resistance of an electric lamp ,if the lamp use 20A When connected to a 220 volt line
Answers
Answered by
9
potential difference, V = 220v
current, I = 20 A
We know,
V = I R
R = V / I
==> resistance, R = 220/20
==> resistance, R = 11 Ω
Answered by
3
Answer:
potential difference, V = 220v
current, I = 20 A
We know,
V = I R
R = V / I
==> resistance, R = 220/20
==> resistance, R = 11 Ω
Explanation:
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