A logic gate is an electronic circuit which
|
(a) Makes logic decisions |
|
(b) Allows electrons flow only in one direction |
|
(c) Works binary algebra |
|
(d) Alternates between 0 and 1 values |
(a) Makes logic decisions
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
The temperature coefficient of resistance of a semiconductor
|
(a) Is always positive |
(b) Is always negative |
|
(c) Is zero |
(d) May be positive or negative or zero |
Which one of the following statements is correct
|
(a) In vacuum, the speed of light depends upon frequency |
|
(b) In vacuum, the speed of light does not depend upon frequency |
|
(c) In vacuum, the speed of light is independent of frequency and wavelength |
|
(d) In vacuum, the speed of light depends upon wavelength |
Sodium has body centred packing. If the distance between two nearest atoms is 3.7 Å, then its lattice parameter is
|
(a) 4.8 Å |
(b) 4.3 Å |
(c) 3.9 Å |
(d) 3.3 Å |
Two point charges +8q and -2q are located at x = 0 and x = L respectively. The location of a point on the x-axis at which the net electric field due to these two point charges is zero is
|
(a) 8 L |
(b) 4 L |
(c) 2 L |
(d) |
The resistance of a reverse biased P-N junction diode is about
|
(a) 1 ohm |
(b) |
(c) |
(d) |
The correct relation is (Where 
Horizontal component of earth's magnetic field; 
= Vertical component of earth's magnetic field and B = Total intensity of earth's magnetic field)
(a) B = 
|
(b) 
|
(c) |B| = 
|
(d) 
|
