how much energy is consumed when a current of 5A flows throgh the filament of heater having resistance of 100 ohms for 2 hours express injoules
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For the heater,
Current, I = 5 A
Resistance, R = 100 Ω
Time, t = 2 h = 7200 s
Work, W = I² R t
∴ W = 5² * 100 * 7200
= 25 * 100 * 7200
= 1,80,00,000 J
Thus, Energy consumed is 1,80,00,000 Joules. (Work done is converted into energy)
Current, I = 5 A
Resistance, R = 100 Ω
Time, t = 2 h = 7200 s
Work, W = I² R t
∴ W = 5² * 100 * 7200
= 25 * 100 * 7200
= 1,80,00,000 J
Thus, Energy consumed is 1,80,00,000 Joules. (Work done is converted into energy)
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