Question

The four arms of an AC bridge network are as follows:

Arm AB: unknown impedance
Arm BC: standard capacitor C₂ of 1000pf
Arm CD: a non-inductive resistance of R of 100 Ω in parallel to a capacitor of 0.01 μF
Arm DA: a non-inductive resistance of 1000 Ω

The supply frequency is 50 Hz and connected across terminals B and D. If the bridge is balanced with the above value, determine the value of unknown Impedance.

a.

10 kΩ

b.

100 kΩ

c.

250 kΩ

d.

20 kΩ

Answer: (a).10 kΩ

Interact with the Community - Share Your Thoughts

Uncertain About the Answer? Seek Clarification Here.

Understand the Explanation? Include it Here.

Q. The four arms of an AC bridge network are as follows: Arm AB: unknown impedance Arm BC: standard capacitor C₂ of 1000pf Arm CD: a non-inductive resistance of R of 100 Ω in...

Similar Questions

Explore Relevant Multiple Choice Questions (MCQs)

Q. Maxwell’s Inductance Capacitance Bridge is used for measuring ___________

Q. Hay’s Bridge is used for measuring __________

Q. What is the disadvantage of Maxwell Bridge?

Q. In Wein’s bridge, the output frequency is determined by __________

Q. In Maxwell’s capacitance bridge for calculating unknown inductance, the various values at balance are, R₁ = 300 Ω, R₂ = 700 Ω, R₃ = 1500 Ω, C₄ = 0.8 μF. Calculate R₁, L₁ and Q factor, if the frequency is 1100 Hz.

Q. Bridge is suitable for _________

Q. Which is the guarding arm?

Q. Wagner device is a ____________

Q. Most popular method of avoiding the stray capacitance effects is __________

Q. Stray capacitance effects can be minimized by __________

Q. The magnitude of stray capacitances is fixed.

Q. Stray capacitance exists between the components.

Q. In general bridges consist of __________

Q. At high Q values, the angular balance condition is _________

Q. Commercial Maxwell bridges measures _________

Q. The balance condition is _________

Q. Bridge can be used for the measurement of _________

Q. Scale of resistance can be calibrated.

Q. How can R₁ be scaled?

Q. Balance equation is dependent on frequency.

Recommended Subjects

Are you eager to expand your knowledge beyond Electrical Measurement and Instrumentation? We've handpicked a range of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!