When we speak on a microphone , our voice (sound energy) is converted in electrical signals (electrical energy) ,which can be transmitted through a wire to a distance .
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Similar Questions
Q1
A microphone converts :
(a) electrical energy into sound energy in ordinary telephone
(b) microwave energy into sound energy in a mobile phone
(c) sound energy into mechanical energy is a stereo system
(d) sound energy into electrical energy in public address system
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Q2
Name the devices or machines which convert:
(i) Electrical energy into sound energy.
(ii) Chemical energy into mechanical energy.
(iii) Chemical energy into heat energy.
(iv) Light energy into heat energy.
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Q3
Name the devices or machines which convert :
(i) Electrical energy into sound energy.
(ii) Heat energy into kinetic energy (or mechanical energy).
(iii) Chemical energy into kinetic energy (or mechanical energy).
(iv) Chemical energy into heat energy.
(v) light energy into heat energy.
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Q4
There are a number of devices in common use that change energy from one form to another. Name some devices that change
1.Electrical energy into light energy
2.Electrical energy into mechanical energy
3.Electrical energy into heat
4. Sound energy into electrical energy
5. Chemical energy into electrical energy.
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Q5
An electric generator converts:
(a) electrical energy into mechanical energy.
(b) mechanical energy into heat energy.
(c) electrical energy into chemical energy.
(d) mechanical energy into electrical energy.