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How much charge will flow through a 200 Omega galvanometer connected to a 400 Omega circular coil of 1000 turns wound on a wooden stick 20 mm in diameter, if a magnetic field b = 0.0113 T parallel to the axis of the stick is decreased suddenly to zero.

Through a coil of wire of resistance 42 Omega , a current of 2A is passed for 5 minutes. How much electric charge has flown through the coil? How much heat has been produced?

If a given volume of water in a 220 V heater is boiled in 5 min , then how much time will it take for the same volume of water in a 110 V heater to be boiled?

If a given volume of water in a 220 V heater is boiled in 5 min , then how much time will it take for the same volume of water in a 110 V heater to be boiled?

How much is the current flowing through a heater rated at 2kW when connected to a 100 V d.c. supply?

1000 kg of water occuples how much volume?

An electric heater of resistance 5 Omega is connected to an electric source. If a current of 6 A flows through the heater, then find the amount of heat produced in 5 minutes.