If the electric field intensity associated with a uniform plane electr – McqOptions

MCQOPTIONS

1.	If the electric field intensity associated with a uniform plane electromagnetic wave travelling in a perfect dielectric medium is given by E(z, t) = 10 cos (2p x 107t - 0.1 pz) volt/metre, then the velocity of the travelling wave is
A.	3.0 x 108 m/sec
B.	2 x 108 m/sec
C.	6.28 x 107 m/sec
D.	2 x 107 m/sec
Answer» C. 6.28 x 107 m/sec

Discussion

No Comment Found

Related MCQs

A conductor carries 125 amperes of current under 60° to a magnetic field of 1.1 tesla.The force on the conductor will be nearly
When a dielectric slab is introduced in a parallel plate capacitor, the potential differencebetween plates will
If the sheet of a bakelite is inserted between the plates of an air capacitor, thecapacitance will
The working of a meter is based on the use of a permanent magnet. In order to protectthe meter functioning from stray magnetic fields
at a point may be defined as equal to the lines of force passing normally through a unitcross section at that point.
Three capacitors each of the capacity C are given. The resultant capacity 2/3 Ccan be obtained by using them
Two infinitely long parallel conductors in vacuum anf' separated 1 metre between centres >rhen a current of 1 ampere flows thn. ugh each conductor, produce on each otLer a force of
A coil is wound on iron core which carries current I. The self-induced voltage in the coilis not affected by
The time constant and R-C circuit may also be defined as the time during which thecharging current falls to ______ percent of its initial maximum value,
A coil induces 350 mV when the current changes at the rate of 1 A/s. The value ofinductance is