EASY
Earn 100

Kirchhoff's laws are applicable to both AC and DC .

50% studentsanswered this correctly

Important Questions on Electromagnetic Waves

MEDIUM

Velocity of an electromagnetic waves in a medium depends upon _____.

EASY
Which Maxwell's equation confirms the absence of magnetic monopole?
EASY
The transmitting antenna of a radio station is mounted vertically. At a point 10 km due north of the transmitter the peak electric field is 10-3 Vm-1. The magnitude of the radiated magnetic field is
EASY
According to Maxwell's hypothesis, changing electric field gives rise to
HARD
Which of the following equations represent Maxwell's first equation?
EASY
According to Maxwell's hypothesis, a changing electric field gives rise to
MEDIUM
According to Maxwell's hypothesis, a changing electric field give rise to
EASY
In a medium of dielectric constant K, the electric field is E. If ε0 is permittivity of the free space, the electric displacement vector is
EASY
The net magnetic flux of a magnetic field passing through a closed surface is
EASY
Maxwell's equation describes the fundamental laws of
MEDIUM
If the magnetic monopole exists, then which of the Maxwell’s equation has to be modified?
EASY
The net magnetic flux of a magnetic field passing through a closed surface is
EASY
Maxwell's equations relate to ______.
 
MEDIUM

According to Maxwell's hypothesis, a changing electric field change in

EASY
A circular ring of radius r is placed in a homogenous magnetic field perpendicular to the plane of the ring. The field B chnages with time according to the equation B=kt, where k is a constant and t is the time. The electric field in the ring is
MEDIUM
If the magnetic monopole exists, then which of the Maxwell’s equation needs to be modified?
EASY
Electromagnetic waves are produced whenever electric _____ are accelerated.
EASY
The relation between electric field vector E, the displacement vector D and the polarization vector P for a dielectric placed in electric field E is given by
EASY
Which among the following does not represent Maxwell’s equation?
MEDIUM
Which Maxwell's equation confirms the absence of magnetic monopole?