# Impedence Diagram MCQ’s

This set of Network Theory Multiple Choice Questions & Answers (MCQs) focuses on “Impedence Diagram”.

1. The voltage function v(t) in the circuit shown below is?

a) v(t) = V_{m} e^{-tjω}

b) v(t) = V_{m}e^{tjω}

c) v(t) = e^{tjω}

d) v(t) = e^{-tjω}

2. The current i(t) in the circuit shown below is?

a) i(t)=(V_{m}/(R-jωL))e^{tjω}

b) i(t)=(V_{m}(R+jωL)) e^{tjω}

c) i(t)=(V_{m}(R-jωL)) e^{tjω}

d) i(t)=(V_{m}/(R+jωL)) e^{tjω}

3. Impedance is a complex quantity having the real part as _______ and the imaginary part as ______

a) resistance, resistance

b) resistance, reactance

c) reactance, resistance

d) reactance, reactance

4. The impedance of the circuit shown below is?

a) R + jωL

b) R – jωL

c) R + 1/jωL

d) R – 1/jωL

5. The phase angle between current and voltage in the circuit shown below is?

a) tan^{-1}ωL/R

b) tan^{-1}ωR/

c) tan^{-1}R/ωL

d) tan^{-1}L/ωR

6. The impedance of the circuit shown below is?

a) R + jωC

b) R – jωC

c) R + 1/jωC

d) R – 1/jωC

7. What is the magnitude of the impedance of the following circuit?

a) √(R+ωL)

b) √(R-ωL)

c)√(R^{2}+(ωL)^{2})

d) √(R^{2}-(ωL)^{2})

8. The voltage function v(t) in the circuit shown below is?

a) v(t) = e^{-tjω}

b) v(t) = e^{tjω}

c) v(t) = V_{m}e^{tjω}

d) v(t) = V_{m}e^{-tjω}

9. The magnitude of the impedance of the circuit shown below is?

a) √(R+1/ωC)

b) √(R-1/ωC)

c) √(R^{2}+(1/ωC)^{2})

d) √(R^{2}-(1/ωC)^{2})

10. The angle between resistance and impedance in the circuit shown below.

a) tan^{-1}1/ωRC

b) tan^{-1}C/ωR

c) tan^{-1}R/ωC

d) tan^{-1}ωRC

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