An electric bulb operates at 160V, 20A. If we want to use this bulb with 240V dc source, then we will have to connect 'R' resistance in series the value of R is
Answers
Answered by
0
Answer:
1ohms
Explanation:
Potential difference=20v
20ampear
Resistance=20v/20a
1ohms
Answered by
8
Answer:
4ohms
Explanation:
V = 240 - 160
= 80
R = V/I
= 80/20
=4ohms
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