A cell is connected to a 9 ohm resistance.because of which heat of 400 j is produced per second due to current flowing through it. obtain the potential difference applied across the resistance.
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P=400 J
R=9 ohm.
P=V^2/R
400=V^2/9
V^2= 3600
V=60
R=9 ohm.
P=V^2/R
400=V^2/9
V^2= 3600
V=60
Answered by
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Answer:
Explanation:
Given: R = 9 Ω
H = 400 J
t = 1 s
To find: V = ?
Formula: H = V2
t
R
Solution: H = V2
t
R
400 = V2 × 1
9
3600 = V2
V = √ 3600
V = 60 V
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