MEDIUM
10th ICSE
IMPORTANT
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How is a fuse put in an electric circuit? State the purpose of using a fuse in a circuit?

Important Questions on Electrical Power and Household Circuits

EASY
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 9 - Electrical Power and Household Circuits>EXERCISE-9(C)>Q 6
Describe with the aid of a diagram some form of a fuse which is used in the electric lighting circuit of a house. Give two reasons why a fuse must not be replaced by an ordinary copper wire.
EASY
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 9 - Electrical Power and Household Circuits>EXERCISE-9(C)>Q 7
A fuse is always connected to the live wire of the circuit. Explain the reason.
EASY
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 9 - Electrical Power and Household Circuits>EXERCISE-9(C)>Q 8
Two fuse wire of same length are rated 5 A and 20 A. Which of the two is thicker and why?
EASY
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 9 - Electrical Power and Household Circuits>EXERCISE-9(C)>Q 9
Explain the meaning of the statement 'the current rating of a fuse is 5 A'.
EASY
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 9 - Electrical Power and Household Circuits>EXERCISE-9(C)>Q 10
'A fuse is rated 8 A'. Can it be used with an electrical appliance of rating 5 kW,200 V
EASY
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 9 - Electrical Power and Household Circuits>EXERCISE-9(C)>Q 11
An electric kettle is rated 3 kW, 250 V. give reason whether this kettle can be used in a circuit which contains a 13 A fuse.
EASY
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 9 - Electrical Power and Household Circuits>EXERCISE-9(C)>Q 12
What is the purpose of a switch in a circuit ? Why is the switch put in the live wire ? What precaution do you take while handling a switch?
EASY
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 9 - Electrical Power and Household Circuits>EXERCISE-9(C)>Q 13
A switch is not touched with wet hands while putting it on or off. Give a reason for your answer.