A.C. Basics and Networks Quiz Questions & Answers Pdf - 2
Question: 6
If two identical first order low pass filters are cascaded non interactively, then the unit step response of the composite filter will be
(A) Oscillatory
(B) Overdamped
(C) Underdamped
(D) Critically damped
Ans: D
Critically damped
Question: 7
A current is said to be alternating when it changes in
(A) Magnitude only
(B) Direction only
(C) Both magnitude and direction
(D) None of these
Ans: C
Both magnitude and direction
Question: 8
In a network containing resistances and reactance's, the roots of the characteristic equation given for the circuit
(A) The natural response
(B) The damped response
(C) The total response
(D) The forced response
Ans: A
The natural response
Question: 9
In an RLC circuit, supplied from an ac source, the reactive power is proportional to the
(A) Difference between the average energy stored in the electric field and that stored in the magnetic field
(B) Sum of the average energy stored in the electric field and that stored in the magnetic field
(C) Average energy stored in the magnetic field
(D) Average energy stored in the electric field
Ans: A
Difference between the average energy stored in the electric field and that stored in the magnetic field
Question: 10
Unity of inductive reactance is
(A) Ohm
(B) Wb
(C) Millihenry
(D) Henry
Ans: A
Ohm
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