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1. State the principle of an electric generator.
Electric generator works on the principle of When a coil is in magnetic field electricity can be generated.
In an electric generator, is used to rotate a conductor in a magnetic field to generate electricity. is used where motion and the magnetic field is given and the current is induced.
2. Name some sources of direct current.
Answer variants:
Battery
Solar cells
Thermocouple
Hydro electric Power plant
Thermal power generator
DC generator
AC generator
a.
b.
c.
d.
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