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If the percentage reactance of an element is 20% and the full load current is 40 A, then short circuit current will be __________, when only that element is in the circuit.

This question was previously asked in
HPCL Engineer Electrical 01 Nov 2022 Official Paper
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  1. 80 A
  2. 200 A 
  3. 100 A
  4. 40 A

Answer (Detailed Solution Below)

Option 2 : 200 A 
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Detailed Solution

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The correct answer is option 2): (200 A )

Concept:

The short circuit current is given by

Isc = I × \(100 \over percentage\: of \: reactance\)

Where 

I is the full load current 

Calculation:

Isc = I × \(100 \over percentage\: of \: reactance\)

= 40 × \(100 \over 20\)

 = 200 A 

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