MCQ
Assertion : Zener diode works on a principle of breakdown voltage.
Reason : Current increases suddenly after breakdown voltage.
  •  If both assertion and reason are true and the reason is the correct explanation of the assertion.
  • B
     If both assertion and reason are true but reason is not the correct explanation of the assertion.
  • C
     If assertion is true but reason is false.
  • D
     If the assertion and reason both are false.

Answer

Correct option: A.
 If both assertion and reason are true and the reason is the correct explanation of the assertion.
 If both assertion and reason are true and the reason is the correct explanation of the assertion.

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

Similar questions

The number of turns in the primary coil of a transformer is $200$ and the number of turns in the secondary coil is $10$. If $240\, volt$ $AC$ is applied to the primary, the output from the secondary will be......$V$
A charge of $1\,C$ is moving in a magnetic field of $0.5\,Tesla$ with a velocity of $10\,m/sec$ Perpendicular to the field. Force experienced is.....$N$
A voltmeter essentially consists of
The magnetic induction in air at a distance d from an isolated point pole of strength m unit will be
Assertion : The binding energy per nucleon, for nuclei with atomic mass number $A > 100$, decreases with $A$.

Reason : The nuclear forces are weak for heavier nuclei.

A photoelectric cell is illuminated by a point source of light $1\; m$ away. When the source is shifted to $2\;m$ then
The total charge enclosed in an incremental volume of $2 \times 10^{-9} \,{m}^{3}$ located at the origin is ...... $nC,$ if electric flux density of its field is found as $D=e^{-x} \sin y \hat{i}-e^{-x} \cos y \hat{j}+2 z \hat{k}\, C / m^{2}$
The number of dry cells, each of e.m.f. 1.5 volt and internal resistance 0.5 ohm that must be joined in series with a resistance of 20 ohm so as to send a current of 0.6 ampere through the circuit is
In a certain reglon of space with volume $0.2\, m ^{3}$ the electric potential is found to be $5\, V$ throughout. The magnitude of electric field in this region is ______ $N/C$
The velocity of light in a medium is half its velocity in air. If ray of light emerges from such a medium into air, the angle of incidence, at which it will be totally internally reflected, is