120V
$I_1$
$I_2$
$R_1 = 4\Omega$
$R_2 = 3\Omega$
$X_L = 3\Omega$
$X_C = 4\Omega$
Figure 3
15. If the circuit shown in figure 3 is connected to 120Vdc, the current drawn by the circuit is
a. 24A b. 48A c. 30A d. 33.941A
16. The circuit shown in figure 3 is
a. capacitive b. inductive c. resistive d. in resonance
17. If the source frequency in figure 4 is low, then
a. coil takes a high lagging current
b. coil takes a low lagging current
c. capacitor takes a high leading current
d. circuit offers high impedance
18. The impedance of a circuit is $10\Omega$. If the inductive susceptance is $1\Omega$, then inductive reactance of the circuit is
a. $10\Omega$ b. $1\Omega$ c. $100\Omega$ d. $90\Omega$
19. The conductance and inductive susceptance of a circuit have the same magnitude. The power factor of the circuit is
a. 1 b. 0.5 c. 0.707 d. 0.866
20. The admittance of a circuit is $(0.1 + j0.8) \Omega$. The circuit is
a. Resistive b. capacitive c. inductive d. in resonance
21. In a parallel ac circuit, power loss is due to
a. Conductance alone b. Susceptance alone c. both (a) and (b) d. resonance
22. The admittance of a parallel circuit is $0.12\angle -30^\circ \mho$. The circuit is
a. Inductive b. Capacitive c. Resistive d. in resonance
23. A circuit has an impedance of $(1 - j2)\Omega$. The susceptance of the circuit is
a. $0.1\mho$ b. $0.2\mho$ c. $0.4\mho$ d. $0.5\mho$
24. A circuit has admittance of $0.1\mho$ and conductance of $0.08\mho$. The power factor of the circuit is
a. 0.1 b. 0.8 c. 0.08 d. 0.5
25. The conductance and susceptance components of admittance are
a. Series Elements b. Parallel Elements c. both a and b d. none of the above
R=$150\Omega$
150V
V
100V, 50Hz