engineering recuitment BARC Stipendiary Trainee Category I 2023 Mock Test Network Theory Electrical Resonance
Consider the following statements with respect to a parallel R-L-C circuit:
1. The bandwidth of the circuit decreases if R is increased.
2. The bandwidth of the circuit remains the same if L is increased.
3. At resonance, the input impedance is a real quantity.
4. At resonance, the magnitude of the input impedance attains its minimum value.
Which of the above statements are correct?
1
1, 2 and 4
2
1, 3 and 4
3
2, 3 and 4
4
1, 2 and 3