Basic Electrical Engineering Questions and Answers – Parallel Impedance Circuits

This set of Basic Electrical Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Parallel Impedance Circuits”.

1. In an impedance parallel network, the reactive component will ____________ the voltage by 90 degrees.
a) Lead
b) Lag
c) Either lead or lag
d) Depends on the circuit
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2. In an impedance parallel network, the reactive component will either lead or lag the voltage by _________ degrees.
a) 0
b) 90
c) 45
d) 180
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3. In an impedance parallel network, the reactive component will either lead or lag the ________ by 90 degrees.
a) Voltage
b) Current
c) Either voltage or current
d) Cannot be determined
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4. The reactive component in an impedance parallel circuit leads the voltage when the current _________ the voltage.
a) Leads
b) Lags
c) Either leads or lags
d) Cannot be determined
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5. The active component in an impedance parallel circuit will __________ the voltage.
a) Leads
b) Lags
c) Be in phase with
d) Either leads or lags
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6. The phase difference between the active component of an impedance parallel circuit and the voltage in the network is __________
a) 0
b) 90
c) 180
d) 360
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7. The quadrature component is also known as?
a) Active component
b) Reactive component
c) Either active or reactive component
d) Neither active nor reactive component
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8. Find the expression for the current I from the given circuit.

a) I=I_L
b) I=I_R
c) I=I_L+I_R
d) I=0
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9. Find the value of I_R if I=10A and I_L=8A.

a) 5A
b) 18A
c) 12A
d) 2A
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10. Find the total current if I_L=2A and I_R=8A.

a) 3A
b) -3A
c) 7A
d) 10A
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Sanfoundry Global Education & Learning Series – Basic Electrical Engineering.

To practice all areas of Basic Electrical Engineering, here is complete set of 1000+ Multiple Choice Questions and Answers.