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a) Heat produced is directly proportional to the square of the current passing by a conductor.
b) This effect is produced because of collision of free electrons with positive ions of the current carrying conductor.
c) It is not a reversible effect.
d) Heat produced depends upon resistance (and therefore temperature also) of the conductor.
e) It is mainly a heating effect
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create and sketch an equipment to conserve energy
Write down the condition for the construction of good auditoria. Illustrate the reflection of waves at closed and open ends.
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