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1. What does the divergence of magnetic field lines near the ends of a current carrying straight solenoid indicate?
The divergence of magnetic field lines indicates the in strength of magnetic field near and beyond the ends of the solenoid.
2. Name four appliances wherein an electric motor, a rotating device that converts electrical energy to mechanical energy, is used as an important component. In what respect motors are different from generators?
Drag and Drop the devices in which electric motors used:
Answer variants:
Electric fan
Mixer
Electric toaster
Tube light
Washing machine
MP3 player
Television
The principle of an electric motor is based on the . A current-carrying loop when placed in a magnetic field experiences a force and starts to rotate. The direction of rotation of the loop is according to the .
Electric generator works on the principle of . When a coil is rotated in magnetic field electricity can be generated. is used where motion and the magnetic field is given and the current is induced.
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