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A choke is used to

$(a)\;\text{reduce current in DC circuit } \\(b)\;\text{reduce current in AC circuit} \\(c)\;\text{Convert AC to DC } \\(d)\;\text{Convert DC to AC} $
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In electronics a choke is an inductor used to block higher-frequency alternating current (AC) in an electrical circuit, while allowing lower frequency or DC current to pass.
Hence b is the correct answer.
answered Mar 19, 2014 by meena.p
edited Apr 2, 2014 by balaji.thirumalai

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