At series resonance, the circuit offers____________ impedance? September 7, 2025 by Admin A. Zero B. Maximum C. Minimum D. None of the above ✅ The correct answer is option C.
Demand factor is defined as___________? September 7, 2025 by Admin A. average load/maximum load. B. maximum demand/connected load C. connected load/maximum demand. D. average load x maximum load ✅ The correct answer is option B.
A series ohmmeter circuit uses a 3 V battery and a 1 mA meter movement. What is the half-scale resistance for this movement ? September 7, 2025 by Admin A. 3 kO B. kO C. kO D. 6 kO ✅ The correct answer is option A.
The ear is not sensitive to___________? September 7, 2025 by Admin A. Frequency distortion B. Amplitude distortion C. Frequency as well as amplitude distortion None of the above ✅ The correct answer is option A.
The Q of a tuned circuit refers to the property of_______________? September 7, 2025 by Admin A. Sensitivity B. Fidelity C. Selectivity D. None of the above ✅ The correct answer is option C.
In a FET, there are _____________pn junctions at the sides? September 7, 2025 by Admin A. three B. four C. five D. two ✅ The correct answer is option D.
In a certain parallel resonant band-pass filter, the resonant frequency is 14 kHz. If the bandwidth is 4 kHz, the lower frequency_____________? September 7, 2025 by Admin A. is 7 kHz B. is 10 kHz C. is 12 kHz D. cannot be determined ✅ The correct answer is option C.
A VTVM has_____________input resistance than that of a multi meter? September 7, 2025 by Admin A. More B. Less C. Same D. None of the above ✅ The correct answer is option A.
Which of the following essential features is possessed by an indicating instrument ? September 7, 2025 by Admin A. Deflecting device B. Controlling device C. Damping device D. All of the above ✅ The correct answer is option D.
The class B push-pull circuit can deliver 100 W of a.c. output power. What should be the minimum power rating of each transistor ? September 7, 2025 by Admin A. 20 W B. 40 W C. 10 W D. 80 W ✅ The correct answer is option A.