Question
Specific resistance of a semiconductor on increasing temperature :
✓
Answer
(b) - decreases
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
More "M.C.Q (1 Marks)" from Semiconductor Electronics: Materials, Devices and Simple Circuits→Semiconductor Electronics: Materials, Devices and Simple Circuits — all question types→Physics STD 12 Science question papers→Rajasthan Board STD 12 Science question papers→Rajasthan Board question paper generator→
Similar questions
Two short magnets of equal dipole moments $M$ are fastened perpendicularly at their centre $($figure$).$ The magnitude of the magnetic field at a distance $d$ from the centre on the bisector of the right angle is
→$\text{E.C.E.}$ of $Cu$ and $Ag$ are $7 \times 10^{-6}$ and $1.2 \times 10^{-6}$ A certain current deposits $14\ gm$ of $Cu.$ Amount of $Ag$ deposited is
→The resultant of $\overrightarrow{\text{A}}$ and $\overrightarrow{\text{B}}$ makes an angle a with $\overrightarrow{\text{A}}$ and $\beta$ with $\overrightarrow{\text{B}},$
→- $\alpha<\beta$
- $\alpha<\beta \text{ if}\text{ A}<\text{B}$
- $\alpha<\beta \text{ if}\text{ A}>\text{B}$
- $\alpha<\beta \text{ if}\text{ A}=\text{B}$
Ideal $P - N$ junction can be used :
→The following diagram indicates the energy levels of a certain atom when the system moves from $2E$ level to $E,$ a photon of wavelength $\lambda $ is emitted. The wavelength of photon produced during its transition from $\frac{4E}{3}$ level to $E$ is
→ For harder X-rays:
A strong argument for the particle nature of cathode rays is that they:
Ratio of magnetic intensities for an axial point and a point on broad side-on position at equal distance d from the centre of magnet will be or The magnetic field at a distance d from a short bar magnet in longitudinal and transverse positions are in the ratio(a) 1 : 1(b) 2 : 3(c) 2 : 1(d) 3 : 2
The momentum of the photon of wavelength $5000 \mathring A$ will be
→Consider a magnetic dipole kept in the north to south direction. Let $P_1, P_2, Q_1, Q_2$ be four points at the same distance from the dipole towards north, south, east and west of the dipole respectively. The directions of the magnetic field due to the dipole are the same at:
→