a fan is rated 25w and 500ma . calculate its (a) power (b) resistance (c) the energy consumed by fan if used for i hour .
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2
P = V I
P = 500 x 10^-3 x 220
P = 110 watt
R= V² / 110
R= 48400 /110
R= 440 Ω
E= 220 x 500 x10^-3 x 1
E= 110 kWh
E = 110 units
P = 500 x 10^-3 x 220
P = 110 watt
R= V² / 110
R= 48400 /110
R= 440 Ω
E= 220 x 500 x10^-3 x 1
E= 110 kWh
E = 110 units
Answered by
1
Answer:
P = V I
P = 500 x 10^-3 x 220
P = 110 watt
R= V² / 110
R= 48400 /110
R= 440 Ω
E= 220 x 500 x 10^-3 x 1
E= 110 kWh
E = 110 units
Explanation:
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