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Electrical And Electronic Measurement MCQs

Electrical Engineering Objective Questions

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113. Hay's bridge
A. is particularly suited for measurement of capacitance over a wide range of values
B. is particularly suited for measurement of inductance having high Q-value
C. is suited for measurement of capacitance having high Q-value
D. is suited for measurement of inductance having low Q-value
Discussion
114. Wien bridge is used for the measurement of
A. resistance
B. capacitance
C. frequency
D. inductance
Discussion
115. AC bridges have
A. leakage error and eddy current errors only
B. residual erros, frequency errors and waveform errors only
C. both (a) and (b) above
D. no error
Discussion
116. Power of 6-phase circuit can be measured with minimum of
A. two wattmeters
B. three wattmeters
C. four wattmeters
D. five wattmeters
Discussion
117. Self balancing potentiometers are used
A. for industrial instruments
B. for vibration instruments
C. for experimental purposes in the laboratories
D. in recorders
Discussion
118. Power factor meters have
A. only current coil
B. only voltage coils
C. both current and voltage coil
D. only inductive voltage coil
Discussion
119. The ratio error in current transformer is due to
A. power factor of primary
B. wattless component of current in the primary
C. exciting current
D. leakage flux
Discussion

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