Short notes
Objective questions (Answers are given below)
- Fill in the blanks
(a) unit of admittance is ………..
(b) unit of capacitive susceptance is ………..
(c) admittance equals the reciprocal of ………..
(d) admittance is given by the ……….. sum of
conductance and susceptance. - An R-L circuit has Z = (6 + j8) ohm. Its
susceptance is -Siemens.
(a) 0.06 (b) 0.08 (c) 0.1 (d) −0.08 - The impedances of two parallel branches of a
circuit are (10 + j10) and (10 − j10) respectively.
The impedance of the parallel combination
is
(a) 20 + j0 (b) 10 + j0
(c) 5 − j5 (d) 0 − j20