Electrical and Electronic Measurements-Instrument Transformers [GATE (Graduate Aptitude Test in Engineering) Electrical Engineering (EE)]: Questions 1 - 3 of 3

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Question 1

Appeared in Year: 2020

Question Numeric Answer▾

The temperature of the coolant oil bath for a transformer is monitored using the circuit shown. It contains a thermistor with a temperature-dependent resistance, , where T is the temperature in . The temperature coefficient, , is . Circuit parameters: . The error in the output signal (in V, rounded off to 2 decimal places) at is ________.

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Question 2

Appeared in Year: 2015

Question MCQ▾

The Primary mmf is least affected by the secondary terminal condition in a (Shift 1)

Choices

Choice (4)Response

a.

Distribution Transformer

b.

Current Transformer

c.

Potential Transformer

d.

Power Transformer

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Question 3

Appeared in Year: 2016

Question Numeric Answer▾

A dc voltage with ripple is given by V (t) = [100 + 10 sin (ωt) - 5 sin (3ωt) ] volts. Measurements of this voltage v (t) , made by moving-coil and moving-iron voltmeters, show, readings of V1 and V2 respectively. The value of V2 - V1, in volts, is ________. (Shift 1)

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