22. Intext questions XI

1. State the principle of an electric generator. 

 

Electric generator works on the principle of electric effect of electric currentelectromagnetic inductionmagnetic effect of electric currentchemical effect of electric current When a coil is stationedrotated in magnetic field electricity can be generated.

 

In an electric generator, electrical energymechanical energy is used to rotate a conductor in a magnetic field to generate electricity. Fleming’s left-hand ruleFleming’s right-hand rule is used where motion and the magnetic field is given and the current is induced.

2. Name some sources of direct current.

 

a.

 

b.

 

c.

 

d.