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What is a trip switch ?

Important Questions on Electric Circuits

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Physics>Electricity and Magnetism>Electric Circuits>Electrical Safety
What characteristics should a fuse wire have?
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Physics>Electricity and Magnetism>Electric Circuits>Electrical Safety
The use of a fuse is based on the _____ effect of current.
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Physics>Electricity and Magnetism>Electric Circuits>Electrical Safety
Why is a fuse wire necessary in a circuit? How does it work?
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Physics>Electricity and Magnetism>Electric Circuits>Electrical Safety
Why cannot copper wire be used as a fuse wire?
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Physics>Electricity and Magnetism>Electric Circuits>Electrical Safety

A filament of low melting point metal/ alloy is used in

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Physics>Electricity and Magnetism>Electric Circuits>Electrical Safety

Write the odd-one out giving reason.

Electromagnet, Electric bell, Electric fuse, Speakers, Tape recorder

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Physics>Electricity and Magnetism>Electric Circuits>Electrical Safety
In our homes, which device, other than switch connected in the circuits, stops the flow of current. When does it work?
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Physics>Electricity and Magnetism>Electric Circuits>Electrical Safety
The wire of an electric fuse is an alloy of copper and _____.
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Physics>Electricity and Magnetism>Electric Circuits>Electrical Safety
The device used to prevent the flow of excess current is _____.
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Physics>Electricity and Magnetism>Electric Circuits>Electrical Safety
What is the role of fuse in any electrical circuit?
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Physics>Electricity and Magnetism>Electric Circuits>Electrical Safety
A safety device which prevents damage to the electrical appliances.
(Choose one of the following: Electric fuse/ Electric switch).
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Physics>Electricity and Magnetism>Electric Circuits>Electrical Safety

The fuse is made from the material that has _____ (low/ high) melting point.

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Physics>Electricity and Magnetism>Electric Circuits>Electrical Safety
The fuse wire should be conducting. Which other property should it have?
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Physics>Electricity and Magnetism>Electric Circuits>Electrical Safety
Give one property that a fuse wire should have.
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Physics>Electricity and Magnetism>Electric Circuits>Electrical Safety
Why is an electric fuse required in all electrical appliances?
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Physics>Electricity and Magnetism>Electric Circuits>Electrical Safety
What is an MCB? What is the purpose of using it in a circuit?
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Physics>Electricity and Magnetism>Electric Circuits>Electrical Safety
What is an electric fuse? Where it is placed in the circuit?
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Physics>Electricity and Magnetism>Electric Circuits>Electrical Safety
Why can't we use a copper wire for making an electric fuse?
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Physics>Electricity and Magnetism>Electric Circuits>Electrical Safety
Can we use the same fuse in a geyser and a television set? Explain.
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Physics>Electricity and Magnetism>Electric Circuits>Electrical Safety
Define electric fuse.