Semiconductor Electronic: Material, Devices And Simple Circuits — Physics STD 12 Science — Question

When electrons drift in a metal from lower to higher potential, does it mean that all the free electrons of the metal are moving in the same direction?

Two electrons are kept at a distance of I A from cach other. Calculate the Coulomb force between them.

What are charge carriers in p-n-p transistor?

A cubical block of wood weighing 200g has a lead piece fastened underneath. Find the mass of the lead piece which will just allow the block to float in water. Specific gravity of wood is 0.8 and that of lead is 11.3.

How the direction of induced electromotive force is determined?

What is the static-electric potential due to an electric dipole at an intermediate point?

A capacitor of capacity C is charged with a potential difference V. What will be the value of electric flux passing through the surface around the capacitor?

Write the mathematical form of Ampere-Maxwell circuital law.

Define minimum deviation angle.