In a pure inductive circuit if the supply frequency is reduced to 1/10th of the previous value, the current will be:

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SSC JE Electrical 15 Nov 2022 Shift 2 Official Paper
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  1. can be applied because it contains non-linear elements
  2. the same
  3. ten times high
  4. reduced to one tenth

Answer (Detailed Solution Below)

Option 3 : ten times high
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Detailed Solution

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Concept

The current in a purely inductive circuit is given by:

\(I={V\over X_L}\)

\(I={V\over ω L}\)

where, I = Current

V = Voltage 

ω = Frequency

L = Inductance

Explanation

From the above expression, the current is inversely proportional to the frequency.

\(I\space \alpha \space {1\over \omega }\)

In a purely inductive circuit, if the supply frequency is reduced to 1/10th of the previous value, the current will be ten times high.

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