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Electrical and Electronics Measurement
Basic of Indicating Instruments
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Error Analysis and Measurement
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Measurement of Resistance and A.C Bridges
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Measurement of Energy and Power
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Digital Voltmeters Questions
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Potentiometer and Instrument Transformers
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Cathode Ray Oscilloscope
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1
GATE EE 2012
MCQ (Single Correct Answer)
+1
-0.3
For the circuit shown in the figure, the voltage and current expressions are
$$v\left( t \right) = {E_1}\sin \left( {\omega t} \right) + {E_3}\sin \left( {3\omega t} \right)$$ and
$$i\left( t \right) = {{\rm I}_1}\sin \left( {\omega t - {\varphi _1}} \right) + {{\rm I}_3}\sin \left( {3\omega t - {\varphi _3}} \right) + {{\rm I}_5}\sin \left( {5\omega t} \right)$$

The average power measured by the Wattmeter is

GATE EE 2012 Electrical and Electronics Measurement - Measurement of Energy and Power Question 21 English
A
$${1 \over 2}{E_1}{{\rm I}_1}\cos {\phi _1}$$
B
$${1 \over 2}\left[ {{E_1}{{\rm I}_1}\cos {\phi _1} + {E_1}{{\rm I}_3}\cos {\phi _3} + {E_1}{{\rm I}_5}} \right]$$
C
$${1 \over 2}\left[ {{E_1}{{\rm I}_1}\cos {\phi _1} + {E_3}{{\rm I}_3}\cos {\phi _3}} \right]$$
D
$${1 \over 2}\left[ {{E_1}{{\rm I}_1}\cos {\phi _1} + {E_3}{{\rm I}_1}\cos {\phi _1}} \right]$$
2
GATE EE 2011
MCQ (Single Correct Answer)
+1
-0.3
Consider the following statement:
(i) The compensating coil of a low power factor wattmeter compensates the effect of the impedance of the current coil.
(ii) The compensating coil of a low power factor wattmeter compensates the effect of the impedance of the voltage coil circuit.
A
(i) is true but (ii) is false
B
(i) is false but (ii) is true
C
both (i) and (ii) are true
D
both (i) and (ii) are false
3
GATE EE 2010
MCQ (Single Correct Answer)
+1
-0.3
A wattmeter is connected as shown in the fig. the wattmeter reads GATE EE 2010 Electrical and Electronics Measurement - Measurement of Energy and Power Question 23 English
A
zero always
B
Total power consumed by $${Z_1}$$ & $${Z_2}$$
C
Power consumed by $${Z_1}$$
D
Power consumed by $${Z_2}$$
4
GATE EE 2006
MCQ (Single Correct Answer)
+1
-0.3
A sampling wattmeter (that computes power from simultaneously sampled values of voltage and current) is used to measure the average power of a load. The peak to peak voltage of the square wave is $$10V$$ and the current is triangular wave of $$5A$$ $$p$$-$$p$$ as shown in the figure. The period is $$20$$$$ms$$. The reading in $$W$$ will be GATE EE 2006 Electrical and Electronics Measurement - Measurement of Energy and Power Question 24 English
A
$$0W$$
B
$$25W$$
C
$$50W$$
D
$$100W$$
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Questions Asked from Marks 1
GATE EE 2018 (1) GATE EE 2015 Set 2 (1) GATE EE 2014 Set 2 (1) GATE EE 2014 Set 3 (1) GATE EE 2014 Set 1 (1) GATE EE 2012 (1) GATE EE 2011 (1) GATE EE 2010 (1) GATE EE 2006 (1) GATE EE 2004 (1) GATE EE 2002 (1) GATE EE 2001 (1) GATE EE 1999 (1) GATE EE 1997 (1) GATE EE 1996 (2) GATE EE 1993 (1)
GATE EE Subjects
Electromagnetic Fields
Signals and Systems
Engineering Mathematics
General Aptitude
Power Electronics
Power System Analysis
Analog Electronics
Control Systems
Digital Electronics
Electrical Machines
Electric Circuits
Electrical and Electronics Measurement