Electric circuits miscellaneous
- In the circuit shown in the figure, what value of C will cause a unity power factor at the ac source?
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At u.p.f. operation admittance of both branches
Y = jωC + 1 30 ∠40 = jωC + 1 30 (0.76 + 0.64j)
Equalizing imaginary part, we get C = 68.1 μF.
Correct Option: A
At u.p.f. operation admittance of both branches
Y = jωC + 1 30 ∠40 = jωC + 1 30 (0.76 + 0.64j)
Equalizing imaginary part, we get C = 68.1 μF.
