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This section includes 109 Mcqs, each offering curated multiple-choice questions to sharpen your Electrical Engineering knowledge and support exam preparation. Choose a topic below to get started.
101. |
An_induced_emf_is_said_to_be_________$ |
A. | Inductive |
B. | Capacitive |
C. | Resistive |
D. | Cannot be determined |
Answer» B. Capacitive | |
102. |
If the power factor is 10 and the resistance is 2 ohm, calculate the inductive reactance? |
A. | 10 ohm |
B. | 20 ohm |
C. | 30 ohm |
D. | 40 ohm |
Answer» C. 30 ohm | |
103. |
If the resistance in a circuit is 2 ohm and the inductive resistance is 20 ohm, calculate the power factor. |
A. | 10 |
B. | 20 |
C. | 30 |
D. | 40 |
Answer» B. 20 | |
104. |
If the power factor is 10 and the value of inductive reactance is 20 ohm, calculate the resistance in the circuit. |
A. | 1 ohm |
B. | 2 ohm |
C. | 3 ohm |
D. | 4 ohm |
Answer» C. 3 ohm | |
105. |
In a pure inductive circuit, the power factor is __________ |
A. | Maximum |
B. | Minimum |
C. | 0 |
D. | Infinity |
Answer» D. Infinity | |
106. |
If the current and voltage are 90 degrees out of phase, the power factor will be? |
A. | 0 |
B. | Infinity |
C. | 1 |
D. | Insufficient information provided |
Answer» B. Infinity | |
107. |
In an inductive circuit, when the XL value increases, the circuit power factor? |
A. | Increases |
B. | Decreases |
C. | Remains the same |
D. | Becomes zero |
Answer» C. Remains the same | |
108. |
In case of Inductive circuit, Frequency is ______________ to the current. |
A. | Directly proportional |
B. | Inversely proportional |
C. | Unrelated |
D. | Much greater than |
Answer» C. Unrelated | |
109. |
In case of Inductive circuit, Frequency is ______________ to the inductance. |
A. | Directly proportional |
B. | Inversely proportional |
C. | Unrelated |
D. | Much greater than |
Answer» B. Inversely proportional | |