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Questions  >>  CBSE XII  >>  Physics  >>  Alternating current
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Why do we prefer a choke coil to a rheostat in controlling a.c ?

$\begin{array}{1 1} \text{Large amount of heat energy is dissipated in a choke coil } \\ \text{No energy is dissipated in a choke coil } \\ \text{Less amount of energy is dissipated in a choke coil } \\ \text{None of the above }\end{array} $

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