MCQ
A series resistance is connected in the Zener diode circuit to
- ✓properly reverse bias the Zener
- Bprotect the Zener
- Cproperly forward bias the Zener
- Dprotect the load resistance.
✓
Answer
Correct option: A.
properly reverse bias the Zener
properly reverse bias the Zener
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
In Fresnel's biprism experiment, with the eyepiece $1 m$ from the two coherent sources, the fringe width obtained is $0.4 mm$. If just the eyepiece is moved towards the biprism by $25 cm$. then the fringe width
→A proton enters a perpendicular uniform magnetic field B at origin along the positive x axis with a velocity v as shown in the figure. Then it will follow the following path. [The magnetic field is directed into the paper].
Three straight, parallel wires are coplanar and perpendicular to the plane of the page. The currents $I_1$ and $I_3$ are directed out of the page. If the wire $3$ experiences no force due to the currents $I_1$ and $I_2,$ then the current in the wire $2$ is
→In potentiometer experiment, null point is obtained at a particular point for a cell on potentiometer wire $x cm$ long. If the length of the potentiometer wire is increased without changing the cell, the balancing length will (Driving source is not changed)
→An electron is moving in an orbit of a hydrogen atom from which there can be a maximum of six transitions. An electron is moving in an orbit of another hydrogen atom from which there can be a maximum of three transitions. The ratio of the velocity of the electron in these two orbits is
A potentiometer wire is $100 cm$ long and a constant potential difference is maintained across it. Two cells are connected in series, first to support one another and then in opposite direction. The balance points are obtained at $50 cm$ and $10 cm$ from the positive end of the wire in the two cases. The ratio of emfs is
→A parallel beam of light $(\lambda=5000 A )$ is incident normally on a narrow slit of width $0.2 mm$. The Fraunhofer diffraction pattern is observed on a screen placed at the focal plane of a convex lens $(f=20 cm )$. The first two minima are separated by
→Kirchhoff’s second law (voltage law) is based on ______
The numerical aperture of the objective of a microscope is 0.12 . The limit of resolution, when light of wavelength $6000 A$ is used to view an object, is
→The number of degrees of freedom for a rigid diatomic molecule is