Basic Electrical Engineering Questions and Answers
Q1.
The combination of resistance and reactance known as _____
Answer:
Impedance
Q2.
What is the value of impedance at resonance?
Answer:
R
Q3.
What is the value of current in an inductive circuit when there is no applied voltage?
Answer:
Maximum
Q4.
Instantaneous voltage is the product of resistance and _______ current in a resistive circuit.
Answer:
Instantaneous
Q5.
In an impedance parallel network, the reactive component will either lead or lag the _____ by 90 degrees.
Answer:
Voltage
Q6.
In a parallel circuit, we consider _______ instead of impedance.
Answer:
Admittance
Q7.
_____ the resonant frequency, the current in the inductor lags the voltage in a series RLC circuit.
Answer:
Above
Q8.
The current in the capacitor ______ the voltage in a series RLC circuit below the resonant frequency.
Answer:
Leads
Q9.
Q is a measure of ____
Answer:
Selectivity
Q10.
For a sharp resonance, bandwidth is _____
Answer:
low
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