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Standard VIII
Physics
Capacitors
ten identical...
Question
ten identical cells connected in series are needed to heat a wire of length one metre and radius r by 10degree C in time t .How many cells will e required to heat the wire of length two meter of the same radius by the same temp in time 't'
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Q.
A wire of length L and three identical cells of negligible internal resistance are connected in series. Due to the current, the temperature of the wire is raised by
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in time t. N identical cells are now connected in series with a wire of length 2L of same material and across-section. The temperature is raised by same amount
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A wire of length
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A wire of length L and 3 identical cells of negligible internal resistances are connected in series. Due to current, the temperature of the wire is raised by T in a time t. A number N of similar cells is now connected in series with a wire of the same material and cross–section but of length 2 L. The temperature of the wire is raised by the same amount T in the same time t. the value of N is
Q.
A wire of length
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