The rectangular voltage is an example of____________________?

A. An analogue waveform
B. Continuous wave form
C. Electronic waveform
D. A digital waveform

The specially designed semi-conductor diodes used as fast counters in electronic circuits are_______________?

A. The light emitting diodes
B. Photo diodes
C. Photo voltaic cell
D. Solar cells.

Dimension of pressure is__________________?

A. MLT
B. ML-1T-1
C. ML-1T-2
D. ML-2T-2

Temperature is a property which determines_________________?

A. How much heat a body contains
B. Whether a body will feel hot or cold to touch
C. In which direction heat will flow between two systems
D. How much total absolute energy a body has

The scales of temperature are based on two fixed points which are_________________?

A. The temperatures of water at 0? 100?C
B. The temperature of melting ice and boiling water at atmospheric pressure
C. The temperatures of ice cold and boiling water
D. The temperatures of frozen and boiling mercury

At constant temperature the graph between V and 1/P is_____________?

A. Hyperbola
B. Parabola
C. A curve of any shape
D. A straight lime

We can produce heat by________________?

A. Frictional process
B. Chemical processes
C. Electrical processes
D. All of the above

The operational amplifier is______________?

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_____________?

A. 2
B. 3
C. 4
D. 5

The operation of a transistor requires______________?

A. That the emitter be heated
B. That the base be heated
C. That the collector be heated
D. None of the above