Question

EXERCISES
Select the correct option
1. A coil refers to
(a) an electric wire
(b) a fuse
(c) a current carrying conductor
(d) a wire twisted in the form of a circle.
2. The effect of current on which the working of a fuse is based is :
(a) magnetic effect
(b) chemical effect (c) heating effect (d) induction effect
3. A filament of low melting point metal/alloy is used in
(a) electric bulb
(b) electric iron
(c) heating effect
(d) electric fuse
4. A circuit diagram is
(a) a picture of a circuit
(b) a drawing of a circuit with standard pictures for the different electrical components.
(c) a drawing of an electrical circuit with standard symbols for the different electrical components
(d) a difficult representation of an electric circuit.
5. In an electric bell, we have
(a) an electromagnet
(b) an interrupter
(c) a hammer
(d) all of these
6. An electric fuse is
(a) a safety device
(b) an appliance
(c) used to produce electricity
(d) used to heat a room
7. An electromagnet acts like a magnet
(a) when a current is passed through the coil (b) all the time
(c) because it has a magnetic core
(d) only if a current does not pass through the coil.
8. An electric fuse wire melts if the amount of current flowing through it is
(a) more than a minimum amount (b) less than a minimum amount
(c) more than a maximum amount (d) less than a maximum amount.
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Multiple Choice Questions :
Please answer thiss​

Answer 1

Answer:

1. a wire twisted in the form of a circle.

2. heating effect

3. electric bulb

4. a drawing of an electrical circuit with standard symbols for the different electrical components

5. a hammer

6. used to produce electricity

7. all the time

8. more than a maximum amount

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