Download App

Electronics — Physics STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 SciencePhysicsElectronics1 Mark
Question
Assertion  :  Zener diode works on a principle of breakdown voltage.
Reason      : Current increases suddenly after breakdown voltage.(a) 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

(a) 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

Explore more

More "M.C.Q (1 Marks)" from Electronics→Electronics — all question types→Physics STD 12 Science question papers→Rajasthan Board STD 12 Science question papers→Rajasthan Board question paper generator→

Similar questions

The photocurrent in an experiment on photoelectric effect increases if:
→
Which of the following conclusion can be drawn from the result $\oint\overline{\text{B}}\cdot\text{d}\overline{\text{A}}=0$
→
A capacitor $C_1$ of capacitance $1\ \mu\text{F}$ and a capacitor $C_2$ of capacitance $2\ \mu\text{F}$ are separately charged by a common battery for a long time. The two capacitors are then separately discharged through equal resistors. Both the discharge circuits are connected at $t = 0.$
→
Whenever current is changed in a coil, an induced e.m.f. is produced in the same coil, This property of the coil is due to.
→
A unit charge moves on an equipotential surface from a point A to point B, then:
→
In the given figure, the electron enters into the magnetic field. It deflects in$ ...... $direction
→
The magnetic field energy in an inductor changes from maximum value to minimum value in 5.0ms when connected to an AC source. The frequency of the source:
→
Constantan wire is used in making standard resistances because its(a) Specific resistance is low(b) Density is high(c) Temperature coefficient of resistance is negligible(d) Melting point is high
 
 
 
 
→
What is the net electric field in the outer regions above the upper plate and below the lower plate in a parallel plate capacitor?
→
A block is placed on a rough floor and a horizontal force F is applied on it. The force of friction f by the floor on the block is measured for different values of F and a graph is plotted between them.
  1. The graph is a straight line of slope 45°.
  2. The graph is a straight line parallel to the F-axis.
  3. The graph is a straight line of slope 45° for small F and a straight line parallel to the F-axis for large F.
  4. There is a small kink on the graph.
→