The _______ in running water turns a turbine to run a dynamo and produces electricity.
The device which converts mechanical energy into energy which runs out microwave oven is :
(a) electric motor
(b) alternator
(c) turbine
(d) electric heater
In a hydroelectric power plant, moving water is used for driving the wheels of a turbine to generate electricity. If the change in kinetic energy of turbine is 1200 J in 2 minutes then the power generated is