MCQ
Different voltages are applied across a $P-N$ junction and the currents are measured for each value. Which of the following graphs is obtained between voltage and current
- A
- B
- ✓
- D
✓
Answer
Correct option: C.
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
Electric charges are distributed in a small volume. The flux of the electric field through a spherical surface of radius $10\ cm$ surrounding the total charge is $25V-m.$ The flux over a concentric sphere of radius $20\ cm$ will be:
→Two atoms of the same element are found to have different number of neutrons in their nuclei. These two atoms are:
Identify which of the following statement best describe a nuclear reaction.
If the refractive indices of a prism for red, yellow and violet colours be $1.61, 1.63$ and $1.65$ respectively, then the dispersive power of the prism will be
→A virtual image is:
Dimensions of $\frac{1}{(\mu_0\epsilon_0)}$ is:
→A positively charged particle moving along x-axis with a certain velocity enters a uniform electric field directed along positive y-axis. Its(a) Vertical velocity changes but horizontal velocity remains constant(b) Horizontal velocity changes but vertical velocity remains constant(c) Both vertical and horizontal velocities change(d) Neither vertical nor horizontal velocity changes
The capacitance of an air capacitor is $5 \mu F$. If mica is completely used in place of air in the same capacitor, then the capacitance becomes $30 \mu F$, the dielectric constant of mica will be:
→Two batteries of $\text{e.m.f.}\ 4V$ and $8 V$ with internal resistances $1 W$ and $2 W$ are connected in a circuit with a resistance of $9 W$ as shown in figure. The current and potential difference between the points $P$ and $Q$ are
→Figure shows three points $A, B$ and $C$ in a region of uniform electric field $\vec{E}$. The line $A B$ is perpendicular and $B C$ is parallel to the field lines. Then which of the following holds good. Where $V_A, V_B$ and $V_C$ represent the electric potential at points $A, B$ and $C$ respectively
→