Q.1
What is the disadvantage of Maxwell Bridge?
  • a) Inductance cannot be measured over a wide range
  • b) Measurement is not independent of frequency
  • c) Number of components is large
  • d) Inductance can be measured over a wide range
Q.2
In the Owen’s bridge shown in below figure, Z1 = 200∠60°, Z2 = 400∠-90°, Z3 = 300∠0°, Z4 = 400∠30°. Then the _______
Questionelectrical-measurements-questions-answers1.jpg
  • a) Bridge is balanced with given impedance values
  • b) Bridge can be balanced, if Z4 = 600∠60°
  • c) Bridge can be balanced, if Z3 = 400∠0°
  • d) Bridge cannot be balanced with the given configuration
Q.3
In Maxwell’s capacitance bridge for calculating unknown inductance, the various values at balance are, R1 =Ω, R2 =Ω, R3 =Ω, C4 = 0.8 μF. Calculate RL1 and Q factor, if the frequency isHz.
  • a) 240 Ω, 0.12 H, 3.14
  • b) 140 Ω, 0.168 H, 8.29
  • c) 140 Ω, 0.12 H, 5.92
  • d) 240 Ω, 0.36 H, 8.29
Q.4
In Wein’s bridge, the output frequency is determined by __________
  • a) RLC combination
  • b) LC combination
  • c) RC combination
  • d) RL combination
Q.5
The Bridge shown in the below figure is ______________
Questionelectrical-measurements-questions-answers5.jpg
  • a) Maxwell’s Bridge
  • b) Wien’s Bridge
  • c) Anderson’s Bridge
  • d) Hay’s Bridge
Q.6
Hay’s Bridge is used for measuring __________
  • a) Resistance in the milliohm range
  • b) Low values of capacitance
  • c) Comparison of resistances which are nearly equal
  • d) The Inductance of a coil with a large time constant
Q.7
In Maxwell’s Bridge, as shown in the figure below, the values of the resistance R1 and inductance L1 of a coil are to be calculated after the bridge is balanced. The values are?
Questionelectrical-measurements-questions-answers7.jpg
  • a) 375 Ω and 75 mH
  • b) 75 Ω and 150 mH
  • c) 37.5 Ω and 75 mH
  • d) 75 Ω and 75 mH
Q.8
Maxwell’s Inductance Capacitance Bridge is used for measuring ___________
  • a) Inductance
  • b) Capacitance
  • c) Frequency
  • d) Mutual Inductance
Q.9
The four arms of an AC bridge network are as follows:
  • a) 10 kΩ
  • b) 100 kΩ
  • c) 250 kΩ
  • d) 20 kΩ
Q.10
The four arms of an AC bridge network are as follows:
  • a) 100 pf
  • b) 1000 pf
  • c) 500 pf
  • d) 10 pf
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