GATE IN · 2021 · IN
Question 12: Single phase transformer
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Question 12
INNAT1 markNeeds review
A single-phase transformer has a magnetizing inductance of 250 mH and a core loss resistance of 300
, referred to primary side. When excited with a 230 V, 50 Hz sinusoidal supply at the primary, the power factor of the input current drawn, with secondary on open circuit, is ____ (rounded off to two decimal places).Log in to check the answer
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2021IN
GATE IN 2021 · Paper 1
Instrumentation Engineering · Original paper archive
- Section
- Instrumentation Engineering
- Question type
- Numerical answer (NAT)
- Marks
- 1 mark
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