Question 31. 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 Capacitance.

Question 32. 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?

Question 33. In the Owen’s bridge shown in below figure, Z₁ = 200∠60°, Z₂ = 400∠-90°, Z₃ = 300∠0°, Z₄ = 400∠30°. Then the _______

Question 34. The Bridge shown in the below figure is ______________

Question 35. At high frequencies in an AC bridge, the source is _______

Question 36. The frequency range of a typical oscillator is _______

Question 37. The power output for a typical oscillator is _______

Question 38. The output frequency of an oscillator is _______

Question 39. The output waveform in an oscillator is _______

Question 40. Bridge must be balanced for ________