MCQ
The most commonly used material for making transistor is
- ACopper
- ✓Silicon
- CEbonite
- DSilver
✓
Answer
Correct option: B.
Silicon
Silicon
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
The line on the earth's surface joining the points where the field is horizontal is
If the potential of a capacitor having capacity of $6\,\mu F$ is increased from $10\, V$ to $20\, V$, then increase in its energy will be
→A hollow conducting sphere is placed in an electric field produced by a point charge placed at P as shown in figure. Let $\mathrm{V_A, V_B, V_C}$ be the potentials at points A, B and C respectively. Then
→Two plane mirrors at an angle such that a ray incident on a mirror undergoes a total deviation of $240^o$ after two reflections.
→If an electric field is given by $10 \hat{i}+3 \hat{j}+4 \hat{k}$, calculate the electric flux through a surface of area $10$ units lying in $y z$ plane ....... units
→An infinite sequence of resistance is shown in the figure. The resultant resistance between A and B will be, when $R_1=1$ ohm and $R_2=2$ ohm
→At room temperature, a P-type semiconductor has
A bar magnet of length $'l'$ and magnetic dipole moment $'M'$ is bent in the form of an arc as shown in figure. The new magnetic dipole moment will be
→The angle of dip at a certain place on earth is $60^o$ and the magnitude of earth's horizontal component of magnetic field is $0.26\, G$. The magnetic field at the place on earth is.....$G$
→The figure below shows currents in a part of electric circuit. The current i is
