Question: Most practical alternators generate electricity from [A]. a coil rotating within a magnetic field [B]. a magnetic field rotating around fixed windings [C]. a permanent magnet rotating within a varying electromagnetic field [D]. none of the above Answer: Option…
Question: A rectangular wave that has a duty cycle of 50% could be called a [A]. “c” wave [B]. sawtooth wave [C]. square wave [D]. triangular wave Answer: Option C Explanation: No answer description available for this question.
Question: A half-cycle average voltage of 12 V is equal to what rms voltage? [A]. 13.33 V [B]. 8.48 V [C]. 18.84 V [D]. 7.64 V Answer: Option A Explanation: No answer description available for this question.
Question: Calculate the positive-going slope of the waveform in the given circuit. [A]. 5 V/ms [B]. 2.5 V/ms [C]. 2.5 V/s [D]. 5 V/s Answer: Option B Explanation: No answer description available for this question.
Question: Calculate the duty cycle of the repetitive pulse waveform in the given circuit. [A]. 8.33% [B]. 0% [C]. 33.33% [D]. 25% Answer: Option D Explanation: No answer description available for this question.
The specially designed semi-conductor diodes used as fast counters in electronic circuits are_______________? A. The light emitting diodesB. Photo diodes C. Photo voltaic cell D. Solar cells.
The rectangular voltage is an example of____________________? A. An analogue waveform B. Continuous wave form C. Electronic waveformD. A digital waveform
An OP-AMPs can amplify_______________? A. D.C.B. A.C. C. Both A.C. & D.C. D. None of the above
Acceptor and donor impurities donate______________? A. n-carriers only B. p-carriers onlyC. p-carriers and n-carriers respectively D. n-carriers and p-carriers respectively
The electronic circuits which implement the various logic operations are called_____________? A. Logic gates B. Boolean algebra C. Amplifier gain D. Logic functions