MCQ
In a $PN-$junction
  • A
    $P $ and $N$ both are at same potential
  • High potential at $N$ side and low potential at $P$ side
  • C
    High potential at $P$ side and low potential at $N$ side
  • D
    Low potential at $N$ side and zero potential at $P$ side

Answer

Correct option: B.
High potential at $N$ side and low potential at $P$ side
b
(b)

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

A Zener diode of breakdown voltage $10 \mathrm{~V}$ is used as a voltage regulator as shown in the figure. The current through the Zener diode is
ABC is a right angled triangle in which AB = 3 cm and BC = 4 cm. And Ð ABC = p/2. The three charges +15, +12 and -20 e.s.u. are placed respectively on A, B and C. The force acting on B is
The charge on any one of the $2\,\mu \,F$ capacitors and $1\,\mu \,F$ capacitor will be given respectively (in $\mu \,C$) as
Two resistances of 400 W and 800 W are connected in series with 6 volt battery of negligible internal resistance. A voltmeter of resistance 10,000 W is used to measure the potential difference across 400 W. The error in the measurement of potential difference in volts approximately is
A cylinder of radius $R$ and length $L$ is placed in a uniform electric field $E$ parallel to  the cylinder axis. The total flux for the surface of the cylinder is given by-
Which of the following theories is the most satisfactory about the origin of the universe
The energy of a photon of wavelength $\lambda $ is given by
Two conducting circular loops of radii $R_{1}$ and $\mathrm{R}_{2}$ are placed in the same plane with their centres coinciding. If $R_{1}>>R_{2}$, the mutual inductance $M$ between them will be directly proportional to:
The de-Broglie wavelength of an electron in the first Bohr orbit is
Two parallel plates have equal and opposite charge. When the space between them is evacuated, the electric field between the plates is $2 \times {10^5}\,V/m$. When the space is filled with dielectric, the electric field becomes $1 \times {10^5}\,V/m$. The dielectric constant of the dielectric material