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Electrical Engineering Objective Questions { Electrical And Electronic Measurement }

85. The multiplier and the meter movement in a voltmeter are always in
A. parallel
B. series
C. parallel-series
D. series-parallel
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86. An electrical measuring instrument has senstivity of 1000 ohms/volt. On 100 volt scale, this instrument will have internal resistance of
A. 10 LI
B. 104 Q
C. i05
D. 1000 12
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87. The function of a shunt in an ammeter
A. by pass the current
B.. increase the meter's resistance
C. decrease the voltage drop
D. increase the current in the coil
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88. A measure of reproducibility of measurement is known as
A. resolution
B. fidelity
C. precision
D. accuracy
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89. Difference between the indicated value and the true value of a quantity is known as
A. Gross error
B. absolute error
C. dynamic error
D. relative error
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90. Meggar is an instrument for
A. measuring current
B. measuring voltage
C. testing insulation
D. measuring power
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91. Gravity control instruments have scales which are not uniform but are crowded because
A. balance weight itself is not uniform
B. current is proportional to sin 0 where 0 is the deflection angle
C. balance weight is greater than control weiht
D. current is proportional to deflection angle
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