Science, asked by rohankumar12334445, 5 months ago

EXERCISES
Multiple Chat Questions
Select the correct option
1. A coil refer to
(a) an electric wire
(b) a fuse
(c)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
() 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.​

Answers

Answered by DarkSoul01
1

EXERCISES

Multiple Chat Questions

Select the correct option

1. A coil refer to

(a) an electric wire

(b) a fuse

(c)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
  • () 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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