MCQ
In $P-N$ junction, avalanche current flows in circuit when biasing is
- AForward
- ✓Reverse
- CZero
- DExcess
✓
Answer
Correct option: B.
Reverse
At a particular reverse voltage in $P N$-junction, a huge current flows in reverse direction known as avalanche current.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
An ideal transformer has $100$ turns in the primary and $250$ turns in the secondary. The peak value of the ac is $28 \mathrm{~V}$. The r.m.s. secondary voltage is nearest to
→Two lines of force due to a bar magnet
The addition of antimony atoms to a sample of intrinsic germanium transforms it to a material which is
If a new planet is discovered rotating around Sun with the orbital radius double that of earth, then what will be its time period (in earth's days)
If the ammeter in the given circuit reads $2 A$, the resistance $R$ is
→
A pan with set of weights is attached with a light spring. When disturbed, the mass-spring system oscillates with a time period of $0.6 s$. When some additional weights are added then time period is $0.7 s$. The extension caused by the additional weights is approximately given by
→A motor cycle driver doubles its velocity when he is having a turn The force exerted outwardly will be
A rectangular coil $A B C D$ is rotated anticlockwise with a uniform angular velocity about the axis shown in diagram below. The axis of rotation of the coil as well as the magnetic field $B$ are horizontal. The induced e.m.f. in the coil would be maximum when
→According to the pulsating theory the expansion and contraction of the universe repeats after every
In a simple harmonic oscillator, at the mean position