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प्रश्न
The current induced in a closed circuit only if there is ______.
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उत्तर
The current induced in a closed circuit only if there is change in number of magnetic field lines linked with the circuit.
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संबंधित प्रश्न
State the principle of an electric generator.
An electric generator converts:
(a) electrical energy into mechanical energy.
(b) mechanical energy into heat energy.
(c) electrical energy into chemical energy.
(d) mechanical energy into electrical energy.
State whether the following statement are true of false:
A miniature circuit breaker (MCB) works on the heating effect of current.
Draw a labelled diagram of a simple a.c. generator.
Suggest two ways in an a.c. generator to produce a higher e.m.f.
What energy conversion does take place in a generator when it is in use?
Explain the construction and working of the following. Draw a neat diagram and label it.
Electric Generator (AC)
Explain the difference:
AC generator and DC generator.
An AC generator is provided with ______ slip rings that rotate with the coil.
State one factor that affects the magnitude of induced current in an AC generator.
