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प्रश्न
What is an electric fuse? State its purpose in the household electrical circuit.
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उत्तर
An electric fuse is a device which is used to limit the current in an electric circuit. It safeguards the circuit and appliances connected to the circuit from being damaged if the current in the circuit exceeds the specified value due to voltage fluctuations or short-circuiting.
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संबंधित प्रश्न
S.I. unit and commercial unit of electrical energy are same.
All electrical appliances in a household circuit work at the same voltage.
The electrical energy consumed in a house is measured by ...............
One kilowatt hour is equal to ............ joule.
What is an electric meter? Where is it fixed in our house?
State the purpose of kWh meter.
For which unit do we pay our electricity bill?
Figure shows two ways of connecting the three bulbs A, B and C to a battery. Name the two arrangements. Which of them do you prefer to use in a household circuit? Give a reason to support your answer.
Draw a labelled diagram with the necessary switches to connect a bulb, a fan and a plug socket in a room with the mains. In what arrangement will you connect them to the mains?
State and define the household unit of electricity.
