Shielding And Grounding Of Bridges multiple choice questions

 Shielding And Grounding Of Bridges

1. Which is the guarding arm?
a) parallel RC combination
b) series RC combination
c) resistance R
d) capacitance C
Answer: series RC combination
2. In general bridges consist of __________
a) lumped inductances
b) lumped resistances
c) distributed capacitance
d) distributed impedance
Answer: lumped inductances
3. 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
Answer: by using Wagner device
4. 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
Answer: coils with low Q values
5. The magnitude of stray capacitances is fixed.
a) True
b) False
Answer: False
6. Stray capacitance exists between the components.
a) True
b) False
Answer: True
7. 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
Answer: shielding and grounding
8. Wagner device is a ____________
a) capacitance bridge
b) resistance bridge
c) inductance bridge
d) impedance bridge
Answer: capacitance bridge