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Question

The percentage resolution of a potentiometer having number of turns equal to 5000 will be

A
0.002%
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B
0.02%
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C
0.0002%
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D
0.2%
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Solution

The correct option is B 0.02%
Resolution of potentiometer

=1Number of turns required

=15000=0.2×103

The percentage resolution

=0.2×103×100

=0.02%

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