II. Fill in the blanks by choosing the correct words from the list given below:
List : elements, nichrome, right angle, cartridge, permanent, high, open, insulator,
magnetic, coil.
1. Current does not flow in an____electric circuit.
2. The devices placed in an electric circuit are known as its____
3. Air is a____of electricity
4. The alloy used as the heating element in an electric toaster is___
5. A fuse wire has a____electric resistance.
6. A____fuse is used in sensitive electric devices.
7. The magnetic field in a straight conductor is always at the____direction of flow of current.
8. A steel bar placed in a current carrying coil, changes into a ____ magnet.
9. Electric bell is based on the____
effect of current.
10. A bar of soft iron behaves as a magnet as long as current flows through the____wound around it.
Answers
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5
1) open
2) elements
3) insulator
4) nicrome
5)coil
6) cartridge
7) right angle
8) permanent
9) magnetic
10)high
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