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Question

If the reactance of a choke coil is XL and its resistance is R then

A
XL=R
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B
XL>>R
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C
XL<<R
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D
XL=
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Solution

The correct option is C XL>>R
Choke coil is combination of resistance and inductor.
Which is used to pass dc current through Circuit properly and to attenuate AC current flow in circuit.
For this purpose a inductor of very large value and a low resistance is used so that this can resist AC current more.
so reactance (resistance due to inductor ) of choke coil will be much more than resistance.

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