Electromagnetic Induction — Physics STD 12 Science — Question

Write the formula of Coulomb's law in vacuum or air.

The plates of a parallel-plate capacitor are given equal positive charges. What will be the potential difference between the plates? What will be the charges on the facing surfaces and on the outer surfaces?

Why can't two lines of electric force intersect each other?

Current I flow through two parallel straight wires in the same direction/The wires are at a distance 2r from each other. What is the intensity of magnetic field atw the midpoint between the two wires?

Write the relationship between angle of incidence ‘i’, angle of prism ‘A’ and angle of minimum deviation for a triangular prism.

Answer the following questions regarding earth’s magnetism:
The angle of dip at a location in southern India is about 18° Would you expect a greater or smaller dip angle in Britain?

Define the term 'activity' of radionuclide. Write its SI unit.

When the frequency of the AC source in an LCR circuit equals the resonant frequency, the reactance of the circuit is zero. Does it mean that there is no current through the inductor or the capacitor?

A light ray is incident perpendicularly on a plane mirror. What will be the values of angle of incidence and angle of reflection?

Write the upper and lower limits of interference in terms of path difference.