In forward bias the width of potential barrier_____________?
A. Increases
B. Decreases
C. Remains same
D. No effect
Physics MCQs with Answers
The electronic circuits which implement the various logic operations are called_____________?
A. Logic gates
B. Boolean algebra
C. Amplifier gain
D. Logic functions
Acceptor and donor impurities donate______________?
A. n-carriers only
B. p-carriers only
C. p-carriers and n-carriers respectively
D. n-carriers and p-carriers respectively
An OP-AMPs can amplify_______________?
A. D.C.
B. A.C.
C. Both A.C. & D.C.
D. None of the above
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
