RVUNL EE Electromagnetic Fields Quiz 3

Match the physical laws given in List-I with its application given in List-II and select the correct combination given in options.

List-I :

(a) Coulomb’s law

(b) Biot’s law

(c) Ampere’s law

(d) Gauss’s law

List-II :

(i) Force due to current in a conductor

(ii) Force on a charged element

(iii) Magnetic flux density

(iv) Electric flux density

The Maxwell’s equation which is derived from Ampere law is ______.

The concept of time varying electric field producing a magnetic field is given by

Tangential component of the magnetic field intensity on a perfect conductor will be

If magnetic flux through each turn of the coil consisting of 1000 turns is, where t is in seconds, then the induced emf in coil at is

What is the reluctance of the material with a MMF of 4.2 units and flux of 6 units.