a current of 0.5A flows through a resistance of 10 ohm for half hour. Find the amount of electrical energy consumed.
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E = I^2 × R × t. Also half hour = 30 × 60 sec.
Putting the values, E = 0.5^2 × 10 × 30 × 60
So, E = 0.25 × 10 × 30 × 60 = 4500 joules
Putting the values, E = 0.5^2 × 10 × 30 × 60
So, E = 0.25 × 10 × 30 × 60 = 4500 joules
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