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
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.