Fill in the blanks:

(a) The unit in which we pay the cost of electricity is _

(b) The electrical energy consumed in a house is measured by _

(c) In a household electrical circuit, the appliances are connected in _ with the mains.

(d) A switch is connected to the _ wire.

(e) The red colour insulated wire in a cable is the _ wire.

(f) One kilowatt hour is equal to _ joule.

(g) A fuse wire should have low ___.

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Solution

(a) The unit in which we pay the cost of electricity is kWh.
(b) The electrical energy consumed in a house is measured by kWh meter.
(c) In a household electrical circuit, the appliance is connected in parallel with the mains.
(d) A switch is connected to the live wire.
(e) The red colour insulated wire in a cable is the live wire.
(f) One kilowatt hour is equal to 3.6 x 106 joule.
(g) A fuse wire should have a low melting point.

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Similar questions

Write true or false for each statement:

(a) A fuse wire has a high melting point.

(b) Flow of protons constitutes electric current.

(d) S.I. unit and commercial unit of electrical energy are same.

(e) Overloading of electric current in circuits can lead to short circuiting.

(f) Our body can pass electricity through it.

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(h) The earth wire protects us from an electric shock.

(i) A switch should not be touched with wet hands.

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