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This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Electrical Measurements knowledge and support exam preparation. Choose a topic below to get started.
1. |
Inductance of the coil is ________ |
A. | L = \(\frac{1}{(2πf)C}\) |
B. | L = \(\frac{1}{(2πf)^2}\) |
C. | L = \(\frac{1}{C}\) |
D. | L = \(\frac{1}{(2πf)^2 C}\) |
Answer» E. | |
2. |
Voltage across the shunt is measured by ________ |
A. | voltmeter |
B. | multimeter |
C. | thermocouple |
D. | thermometer |
Answer» D. thermometer | |
3. |
What is the relation between Q factor and voltage? |
A. | Q = \(\frac{1}{E}\) |
B. | Q = \(\frac{X_L}{R}=\frac{X_C}{R}=\frac{E_C}{E}\) |
C. | Q = E |
D. | Q = \(\frac{R}{X_L}=\frac{R}{X_C}=\frac{E}{E_C}\) |
Answer» C. Q = E | |
4. |
Q factor for a series resonant circuit is? |
A. | Q = \(\frac{X_L}{R} = \frac{X_C}{R}\) |
B. | Q = XL R = XC R |
C. | Q = \(\frac{R}{X_L} = \frac{R}{X_C}\) |
D. | Q = \(\frac{1}{R}\) |
Answer» B. Q = XL R = XC R | |
5. |
Voltage across the shunt is measured by _______? |
A. | voltmeter |
B. | multimeter |
C. | thermocouple |
D. | thermometer |
Answer» D. thermometer | |
6. |
A practical Q meter consists of __________ |
A. | Wien bridge oscillator |
B. | AF oscillator |
C. | RF oscillator |
D. | Crystal oscillator |
Answer» D. Crystal oscillator | |
7. |
Q meter works on the principle of _______ |
A. | barkhausen criterion |
B. | piezoelectric effect |
C. | parallel resonance |
D. | series resonance |
Answer» E. | |
8. |
What is a Q meter? |
A. | quality meter |
B. | quantity meter |
C. | instrument |
D. | detector |
Answer» D. detector | |
9. |
Q factor is also defined as the ratio of _______ |
A. | resistance to reactance |
B. | reactance to resistance |
C. | power to voltage |
D. | current to power |
Answer» C. power to voltage | |
10. |
Q factor is called __________ |
A. | Quality factor |
B. | Quantity factor |
C. | Queen factor |
D. | Quarter factor |
Answer» B. Quantity factor | |