MCQOPTIONS
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MCQOPTIONS
This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Network Theory Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
An RLC series circuit has R = 7.07 Ω, L = .707 H and C = 7.07 μF. At Half power frequencies the circuit impedance is ___________ |
| A. | 7.07 Ω |
| B. | 10 Ω |
| C. | 14.14 Ω |
| D. | 20 Ω |
| Answer» C. 14.14 Ω | |
| 2. |
A coil has resistance R and inductance L. At ω = ∞ the phase angle between voltage and current is _____________ |
| A. | 0° |
| B. | 180° |
| C. | 45° |
| D. | 90° |
| Answer» E. | |
| 3. |
In a two terminals network the open circuit voltage measured at the given terminals is 110 V and short circuit currents at the same terminals 10 A. If a load of 50 Ω resistance is connected at the terminals, load current is ___________ |
| A. | 1.8 A |
| B. | 1.25 A |
| C. | 6 A |
| D. | 6.25 A |
| Answer» B. 1.25 A | |
| 4. |
Poles and zeros of a driving point function of a network are simple and alternate on jω axis. The network consists of ___________ |
| A. | R and C |
| B. | L and C |
| C. | R and L |
| D. | R, L and C |
| Answer» C. R and L | |
| 5. |
An RLC series circuit has Q = 100 and ω0 = 20 rad/sec. The bandwidth is ____________ |
| A. | 0.2 rad/sec |
| B. | 2 rad/sec |
| C. | 20 rad/sec |
| D. | 2000 rad/sec |
| Answer» B. 2 rad/sec | |
| 6. |
A network has two branches in parallel. One branch contains impedance Za and the other branch has impedance Zb. If it is fed from an AC voltage V of frequency f, the current through Za depends, on which of the following? |
| A. | V, Za, Zb |
| B. | V, Za |
| C. | Za, Zb |
| D. | V, Za, f |
| Answer» E. | |