Physics-
General
Easy
Question
Coating of a conductor with a non - conductor is called ........
- Modulation
- Conduction
- Insulation
- All
The correct answer is: Insulation
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Wood is a/an ..........
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The unit of emf is ............
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The total potential difference = ...... volt
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The total p.d = .................. volt
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A cell in which chemical energy is directly converted into electric energy is called
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............... is the path along which the current flows
............... is the path along which the current flows
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A fishing boat using sonar detects a fish 190m below it. How much time elapsed between sending the ultrasonic signal which detected the fish and receiving the signals echo? (speed of sound in sea water = 1520m/s)
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In earthquakes ....... sounds are produced
In earthquakes ....... sounds are produced
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The frequency of a sound source is 10Hz. How many times does it vibrate in a minute ?
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When a wave is travelling from one medium to another which of the following changes
When a wave is travelling from one medium to another which of the following changes
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