Semiconductor · Physics · Class 12

During the formation of a $$p$$-$$n$$ junction:

Assertion (A) : The resistance of an intrinsic semiconductor decreases with increase in its temperature. Reason (R) : The number of conduction electro...

In an extrinsic semiconductor, the number density of holes is $$4 \times 10^{20} \mathrm{~m}^{-3}$$. If the number density of intrinsic carriers is $$...

Pieces of copper and of silicon are initially at room temperature. Both are heated to temperature T. The conductivity of

The formation of depletion region in a $$p$$-$$n$$ junction diode is due to

Which of the following has negative temperature coefficient of resistivity?

(a) Draw the circuit arrangement for studying V-I characteristics of a $$p$$-$$n$$ junction diode in (i) forward biasing and (ii) reverse biasing. Dra...

Draw energy band diagram for an $$n$$-type and $$p$$-type semiconductor at $$\mathrm{T}>0 \mathrm{~K}$$.

Answer the following giving reasons: (i) A $$p$$-$$n$$ junction diode is damaged by a strong current. (ii) Impurities are added in intrinsic semicondu...