MCQOPTIONS
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MCQOPTIONS
This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Electrical Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What value of direct current must flow through a resistor to produce the same heating power as an alternating current with a peak value of 3.5 A? |
| A. | 1.5 A |
| B. | 2.5 A |
| C. | 3.5 A |
| D. | 4.5 A |
| Answer» C. 3.5 A | |
| 2. |
In an AC circuit, resistance 50 Ω, inductance 0.3 H and capacitance 15 μF is connected to an AC voltage source 25 V, 50 Hz. Determine the phase difference between current and voltage. |
| A. | 670 |
| B. | 540 |
| C. | 470 |
| D. | 770 |
| Answer» B. 540 | |
| 3. |
Find the value of the source voltage from the following circuit. |
| A. | 49.2V |
| B. | 34.6V |
| C. | 65.2V |
| D. | 25.6V |
| Answer» B. 34.6V | |
| 4. |
Find the value of the source current from the following circuit. |
| A. | 2.54A |
| B. | 6.67A |
| C. | 3.35A |
| D. | 7.65A |
| Answer» B. 6.67A | |
| 5. |
In an AC circuit, resistance 50 Ω, inductance 0.3 H and capacitance 15 μF is connected to an AC voltage source 25 V, 50 Hz. Determine the current in the circuit. |
| A. | 0.01 A |
| B. | 0.2 A |
| C. | 0.02 A |
| D. | 0.002 A |
| Answer» C. 0.02 A | |
| 6. |
In an AC circuit, resistance 50 Ω, inductance 0.3 H and capacitance 15 μF is connected to an AC voltage source 25 V, 50 Hz. Determine the impedance in the circuit. |
| A. | 110 ohm |
| B. | 100 ohm |
| C. | 125 ohm |
| D. | 140 ohm |
| Answer» D. 140 ohm | |
| 7. |
In an AC circuit, resistance 50 Ω, inductance 0.3 H and capacitance 15 μF is connected to an AC voltage source 25 V, 50 Hz. Determine the capacitive reactance in the circuit. |
| A. | 316 ohm |
| B. | 195 ohm |
| C. | 124 ohm |
| D. | 212 ohm |
| Answer» E. | |
| 8. |
In an AC circuit, resistance 50 Ω, inductance 0.3 H and capacitance 15 μF is connected to an AC voltage source 25 V, 50 Hz. Determine the inductive reactance in the circuit. |
| A. | 36 ohm |
| B. | 95 ohm |
| C. | 125 ohm |
| D. | 140 ohm |
| Answer» C. 125 ohm | |
| 9. |
Kirchhoff’s laws are valid for __________?# |
| A. | Linear circuits only |
| B. | Both linear and non-linear circuits |
| C. | Neither linear nor non-linear circuits |
| D. | Both linear and non-linear circuits |
| Answer» E. | |
| 10. |
According to KVL, the algebraic sums of all the IR products and the voltages in a loop is? |
| A. | Always positive |
| B. | Always negative |
| C. | Always zero |
| D. | Always infinity |
| Answer» D. Always infinity | |
| 11. |
Nodal analysis is generally used to determine? |
| A. | Voltage |
| B. | Current |
| C. | Resistance |
| D. | Power |
| Answer» B. Current | |
| 12. |
KVL is based on ___________ |
| A. | Law of conservation of energy |
| B. | Law of conservation of charge |
| C. | Both conservation of energy and charge |
| D. | Neither conservation of energy nor charge |
| Answer» C. Both conservation of energy and charge | |
| 13. |
KCL is based on _____________ |
| A. | Law of conservation of energy |
| B. | Law of conservation of charge |
| C. | Both conservation of energy and charge |
| D. | Neither conservation of energy nor charge |
| Answer» C. Both conservation of energy and charge | |
| 14. |
Mesh analysis is generally used to determine? |
| A. | Voltage |
| B. | Current |
| C. | Resistance |
| D. | Power |
| Answer» C. Resistance | |