In a p-n junction diode the direction of diffusion current is fro… - Vidyadip

MCQ

In a $p-n$ junction diode the direction of diffusion current is from

✓
$p-$ region to $n-$ region
B
$n-$ region to $p-$ region
C
$n-$ region to $p-$ region when forward biased and vice-versa when reverse biased
D
$p-$ region to $n-$ region when forward biased and vice-versa when reverse biased

✓

Answer

Correct option: A.

$p-$ region to $n-$ region

a

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

JEE STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

The total intensity of earth's magnetic field at the magnetic equator is $5$ $units$. Its value at a magnetic latitude of $37^o $ is equal to

If ratio of maximum and minimum intensities is $36 : 1$ in an interference pattern then, ratio of amplitudes of interfering waves is

$A$ boy hits $a$ baseball with $a$ bat and imparts an impulse $J$ to the ball. The boy hits the ball again with the same force, except that the ball and the bat are in contact for twice the amount of time as in the first hit. The new impulse equals:

In which of the following remote sensing technique is not used

A sound wave of frequency $245 \,Hz$ travels with the speed of $300\, ms ^{-1}$ along the positive $x$-axis. Each point of the wave moves to and fro through a total distance of $6 \,cm$. What will be the mathematical expression of this travelling wave ?

The average translational energy and the $r.m.s.$ speed of molecules in a sample of oxygen gas at $300 K$ are $6.21 \times {10^{ - 21}}\,J$ and $484\, m/s$ respectively. The corresponding values at $600 K$ are nearly (assuming ideal gas behaviour)

Two blocks of masses $5 \,kg$ and $2 \,kg$ are connected by a spring of negilible mass and placed on a frictionless horizontal surface. An impulse gives a velocity of $7 \,m / s$ to the heavier block in the direction of the lighter block. The velocity of the centre of mass is ....... $m / s$

The dimensions of "time constant" $\frac{L}{R}$ during growth and decay of current in all inductive circuit is same as that of

In a region, steady and uniform electric and magnetic fields are present. These two fields are parallel to each other. A charged particle is released from rest in this region. The path of the particle will be a

Of two masses of $5 \,kg$ each falling from height of $10\, m,$ by which $2\,kg$ water is stirred. The rise in temperature of water will be........ $^oC$