EASY
10th ICSE
IMPORTANT
Earn 100

Draw a Labelled Diagram of a Three Pin Socket.

Important Questions on Electrical Power and Household Circuits

EASY
10th ICSE
IMPORTANT

The diagram in Figure shows a three-pin socket marked as 1,2 and 3.
Identify and write live (L), neutral (N) and earth (E) against the correct number.

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EASY
10th ICSE
IMPORTANT

The diagram in Figure shows a three-pin socket marked as 1,2 and 3.
To which part of the appliance is the terminal 1 connected ?

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EASY
10th ICSE
IMPORTANT

The diagram in Figure shows a three-pin socket marked as 1,2 and 3.

To which wire joined to 2 or 3, is the fuse connected and why ?

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EASY
10th ICSE
IMPORTANT

What do you mean by the term local earthing ? Explain how it is done.

EASY
10th ICSE
IMPORTANT

The metal case of an electric appliance is earthed. Explain the reason.

EASY
10th ICSE
IMPORTANT

Which of the cables, one rated 5 A and the other 15 A will be of thicker wire ? Give a reason for your answer.

 

EASY
10th ICSE
IMPORTANT

The diagram in Figure shows three lamps and three switches 1,2 and 3.
Name the switch/switches to be closed so as to light all the three lamps.

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EASY
10th ICSE
IMPORTANT

The diagram in Figure shows three lamps and three switches 1,2 and 3.

How are the lamps connected : in series or in parallel?

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