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 _______
- 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 ______________
- 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?
- 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