An electric kettle has a resistance of 10 ohms and is connected to a 220 V supply. For 5 minutes of operation, how much charge flows through it?
6600 C
Current I = V/R = 220/10 = 22 A. Charge Q = I x t = 22 x (5 x 60) = 22 x 300 = 6600 coulombs. Hence, the correct answer is 6600 C.
Which of the following symbols represents a rheostat?
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