A potential difference of 200v is a applied across a resistance of 440 in electricall appliance. Calculate the current drawn and the heat energy produced is 20 seconds.
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Hey there!
Given,
Potential Difference = V = 200 V
Resistance = R = 440 ohm
Current = i = ?
Ac. to Ohm's Law,
V = iR
i = V / R
i = 200 / 440
i = 0.45 A
Now,
Energy,
= i^2 Rt
= 0.45 × 0.45 × 440 × 20
= 1782 J
= 1.782 kJ
Hope It Helps You!
Given,
Potential Difference = V = 200 V
Resistance = R = 440 ohm
Current = i = ?
Ac. to Ohm's Law,
V = iR
i = V / R
i = 200 / 440
i = 0.45 A
Now,
Energy,
= i^2 Rt
= 0.45 × 0.45 × 440 × 20
= 1782 J
= 1.782 kJ
Hope It Helps You!
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