MCQ
What is the current through an ideal $P-N$ junction diode shown in figure below.....$mA$
- A$0$
- B$10 $
- ✓$20$
- D$50$
✓
Answer
Correct option: C.
$20$
c
$\mathrm{i}=\frac{2}{100}=20 \mathrm{\,mA}$
$\mathrm{i}=\frac{2}{100}=20 \mathrm{\,mA}$
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
Considering a group of positive charges, which of the following statements is correct?
The temperatures of two bodies $A$ and $B$ are respectively ${727^o}C$ and ${327^o}C$. The ratio ${H_A}:{H_B}$ of the rates of heat radiated by them is
→The temperature-entropy diagram of a reversible engine cycle is given in the figure. Its efficiency is
An electric wire is connected across a cell of $e.m.f.$ The current $I$ is measured by an ammeter of resistance $R$. According to ohm's law
→If earth suddenly stops rotating about its own axis, the increase in it’s temperature will be
According to de-Broglie, the de-Broglie wavelength for electron in an orbit of (radius $5.3\times10^{-11}\,m$) hydrogen atom is $10^{-10}\, m$. The Principle quantum number for this electron is
→A particle of mass $m$, initially at rest, is acted upon by a variable force $F$ for a brief interval of time $T$. It begins to move with a velocity $u$ after the force stops acting. $F$ is shown in the graph as a function of time. The curve is a semicircle.
→At very high frequencies, the effective impendance of the given circuit will be $....\Omega$
→A mass $m$ hangs with the help of a string wrapped around a pulley on a firctionless bearing. The pulley has mass $m$ and radius $R$. Assuming pulley to be a perfect uniform circular disc, the acceleration of the mass $m$, if the string does not slip on the pulley, is:-
→Two forces of magnitude $8 \,N$ and $15 \,N$ respectively act at a point. If the resultant force is $17 \,N$, the angle between the forces has to be .......
→