MCQ
Conductivity of semiconductors:
- Adoes not depend on temperature
- Bdecreases with increase in temperature
- ✓increases with temperature increase
- Dfirst decreases and then increases
✓
Answer
Correct option: C.
increases with temperature increase
(c) - increases with temperature increase
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→Gujarat Board STD 12 Science question papers→Gujarat Board question paper generator→
Similar questions
Which gates is represented by this figure
Intensity of an electric field E due to a dipole, depends on distance r as
In the product
→$\overrightarrow{\mathrm{F}} =\mathrm{q}(\vec{v} \times \overrightarrow{\mathrm{B}})$
$=\mathrm{q} \vec{v} \times\left(\mathrm{B} \hat{i}+\mathrm{B} \hat{j}+\mathrm{B}_{0} \hat{k}\right)$
For $\mathrm{q}=1$ and $\vec{v}=2 \hat{i}+4 \hat{j}+6 \hat{k}$ and
$\overrightarrow{\mathrm{F}}=4 \hat{i}-20 \hat{j}+12 \hat{k}$
What will be the complete expression for $\vec{B}$ ?
The given figure represents a material which is
A capacitor of capacitance $15 \,nF$ having dielectric slab of $\varepsilon_{r}=2.5$ dielectric strength $30 \,MV / m$ and potential difference $=30\; volt$ then the area of plate is ....... $ \times 10^{-4}\; m ^{2}$
→A direct current of 4 A is flowing through any circuit. Root mean square value of the current is:
The flat face of a plano-convex lens of focal length $10 cm$ is silvered. A point source placed $30 \,cm$ in front of the curved surface will produce a
→The magnetic field at the centre of a circular coil of radius $I$, due to current I flowing through it, is $B$. The magnetic field at a point along the axis at a distance $\frac{r}{2}$ from the centre is
→When a charged particle enters a uniform magnetic field its kinetic energy
The force between two charges is F. If the distance between them is tripled, the electric force between these charges wll be: