SSC JE Electrical Engineering 24 Jan 2018 Morning Paper

Question : 137 of 199

Marks: +1, -0

Determine the capacitance (in mF) of a circuit, when the circuit is supplied with a 60 Hz frequency and the capacitive susceptence of the circuit is 0.5 Siemens.

Validate

Solution:

C = ?
f = 50 Hz

B_C

= 0.5 Siemen.
Now capacitive susceptance

(B_C) = ωC

=2π\fC

⇒0.5=2×3.14×50×C

⇒C=1.3\mf

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