The specially designed semi-conductor diodes used as fast counters in electronic circuits are______________? April 17, 2025 by admin A. The light emitting diodes B. Photo diodes C. Photo voltaic cell D. Solar cells.
The alternating voltage is an example of_______________? April 17, 2025 by admin A. A digital waveform B. An analogue waveform C. Discrete waveform D. None at all
The operational amplifier is______________? April 17, 2025 by admin A. A high gain amplifier B. A high-power amplifier C. A high resistance amplifier D. A low resistance amplifier
To obtain an n-type semiconductor germanium crystal it must be doped with foreign atoms whose valency is_____________? April 17, 2025 by admin A. 2 B. 3 C. 4 D. 5
The operation of a transistor requires______________? April 17, 2025 by admin A. That the emitter be heated B. That the base be heated C. That the collector be heated D. None of the above
Non-inverting amplifier circuits have____________? April 17, 2025 by admin A. A very high input impedance B. A very low input impedance C. A low output impedance D. None of the above
An OP-AMP comparator is a circuit that compares the signal voltage on one of its inputs with a ______________? April 17, 2025 by admin A. Non-inverting voltage at output B. Reference voltage on the other C. Virtual input D. Output
The working of transistor as amplifier is similar to________________? April 17, 2025 by admin A. Step up transformer B. Step down transformer C. Three diodes in common D. Triode vacuum tube
To obtain a p-type semi-conductor Si Crystal must be doped with foreign atoms whose valency is_____________? April 17, 2025 by admin A. 2 B. 3 C. 4 D. 5
In a half-wave rectifier the r.m.s. value of the A.C. component of the wave is________________? April 17, 2025 by admin
