De Sauty's Br...

De Sauty's Bridge

Trending Questions

Q. An arc bridge has the following constants:
Arm AB - Capacitor of

0.5 μ F

in parallel with

1 k Ω

resistance.
Arm AD - Resistance of

2 k Ω

Arm BC - Capacitor of

0.5 μ F

Arm CD - Unknown capacitor of

C_{x}

and resistance

R_{x}

in series.
Frequency - 1 kHz
The dissipation factor is

Q. The AC bridge is supplied with a source of frequency 1 kHz as shown in the below figure. If

R_{2} = 3 R_{1} a n d C_{3} = 150 p F,

then at balanced condition the value of unknown capacitor

C_{x}

is _______ pF.

Q. A lossy capacitor

C_{x}

rated for operation at 5 kV, 50 Hz is represented by an equivalent circuit with and ideal capacitor

C_{P}

in parallel with a resistor

R_{P} .

The value of

C_{P}

is found to be

0.102 μ F

and the value of

R_{P} = 1.25 Ω

. Then the power loss and

t a n δ

of the lossy capacitor operating at the rated voltage, respectively, are