- AStable.
- BUnstable.
- CMeta stable.
- DBoth (a) and (b).
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A triode whose mutual conductance is 2.5 m A/volt and anode resistance is 20 kilo ohm, is used as an amplifier whose amplification is 10. The resistance connected in plate circuit will be
|
(a) 1 kW |
(b) 5 kW |
(c) 10 kW |
(d) 20 kW |
How many NAND gates are used to form an AND gate
|
(a) 1 |
(b) 2 |
(c) 3 |
(d) 4 |
A man is looking at a small object placed at his near point. Without altering the position of his eye or the object, he puts a simple microscope of magnifying power 5X before his eyes. The angular magnification achieved is:

A 6μF capacitor is charged from 10 volts to 20 volts . Increase in energy will be
|
(a) |
(b) 9 |
(c) 4.5 |
(d) 9 |
A particle of mass M and charge Q moving with velocity
describes a circular path of radius R when subjected to a uniform transverse magnetic field of induction B. The work done by the field when the particle completes one full circle is
|
(a) BQv2πR |
(b) |
(c) Zero |
(d) BQ |
The valence of an impurity added to germanium crystal in order to convert it into a P-type semi conductor is
|
(a) 6 |
(b) 5 |
(c) 4 |
(d) 3 |
If scattering particles are 56 for 90° angle then this will be at 60° angle
|
(a) 224 |
(b) 256 |
(c) 98 |
(d) 108 |