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ESE (IES)Electronics & Communication Engineering P1 2013
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Questions
120
Duration
180 mins
Package
ESE & GATE EC - Previous Year Papers
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120questions
Medium
85
70.8%
Hard
21
17.5%
Easy
14
11.7%
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120questions
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100%
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2013 · Unclassified
ESE (IES)Electronics & Communication Engineering P1 2013
The resistance of two coils of a wattmeter are 0.0 Ω and 100 Ω respectively and both are noninductive. The current through a resistance load is 20 A and the voltage across it is 30 V. In one of the two ways of connecting the voltage coil, the error in the reading would be
2013 · Unclassified
ESE (IES)Electronics & Communication Engineering P1 2013
A 0-150 V voltmeter has a guaranteed accuracy of 1% full-scale reading. The voltage measured by this instrument is 83 V. The limiting error in percent is
2013 · Unclassified
ESE (IES)Electronics & Communication Engineering P1 2013
The strain gauge should have 1. High gauge factor 2. Low resistance temperature coefficient 3. High resistance Which of the above statements are correct?
2013 · Unclassified
ESE (IES)Electronics & Communication Engineering P1 2013
The secondary of a CT is never left open-circuited because 1. The heat dissipation in the core will be very large. 2. The core will be saturated and get permanently magnetized rendering it useless 3. Dangerously high emf will be induced in the secondary Which of the above statements are correct?
2013 · Unclassified
ESE (IES)Electronics & Communication Engineering P1 2013
A resistance strain gauge with gauge factor of 3 is subjected to a stress of 3000 kg/cm when fastened to a steel rod. The modulus of elasticity of steel is 2.1 x 106 kg/cm. The percentage change in resistance of the strain gauge element is
2013 · Unclassified
ESE (IES)Electronics & Communication Engineering P1 2013
Two 100 V F.S.D PMMC type dc volt meters having figure of merit of 10 kΩ/V and 20 kΩ/V are connected in series. The series combination can be used to measure a maximum dc voltage of