Shielding and Grounding of Bridges MCQ’s

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This set of Electrical Measurements Multiple Choice Questions & Answers (MCQs) focuses on “Shielding and Grounding of Bridges”.

1. Stray capacitance exists between the components.
a) True
b) False

2. The magnitude of stray capacitances is fixed.
a) True
b) False

3. In general bridges consist of __________
a) lumped inductances
b) lumped resistances
c) distributed capacitance
d) distributed impedance

4. Stray capacitance effects can be minimized by __________
a) making use of an inductance
b) connecting a resistance in series
c) shielding and grounding
d) using a galvanometer

5. Wagner device is a ____________
a) capacitance bridge
b) resistance bridge
c) inductance bridge
d) impedance bridge

6. Bridge is suitable for _________
a) coils with high Q values
b) coils with low Q values
c) coils with intermediate Q values
d) coils with very high Q values

7. Most popular method of avoiding the stray capacitance effects is __________
a) by grounding
b) by using guard rings
c) by using galvanometer
d) by using Wagner device

8. Which is the guarding arm?
a) parallel RC combination
b) series RC combination
c) resistance R
d) capacitance C

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