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A uniform plane wave of 100 kHz travelling in free space strikes a large block of a

material having e = 4e0, μ = 9μ0 and s = 0 normal to the surface. If the incident

magnetic field vector is given by

10 cos ( ) ˆ tesla 6 B = wt −by z −

r

write the complete expressions for the incident, reflected, and transmitted field

vectors.

material having e = 4e0, μ = 9μ0 and s = 0 normal to the surface. If the incident

magnetic field vector is given by

10 cos ( ) ˆ tesla 6 B = wt −by z −

r

write the complete expressions for the incident, reflected, and transmitted field

vectors.

In a CRO the signal input voltage is given to the horizontal deflection plates. state True or false, also give reason of your answer.

Highest Modulus of the ring counter made up of 5 flip-flops is 25.State true or false, also give a reason for your answer.

IC 7805 and IC 7905 must always be used together. state true or false, also give a reason of your answer .

Slew rate of an op-amp influences its frequency response.State true or false also give a reason for the answer.

A uniform plane wave of 100 kHz travelling in free space strikes a large block of a

material having e = 4e0, μ = 9μ0 and s = 0 normal to the surface. If the incident

magnetic field vector is given by

10 cos ( ) ˆ tesla 6 B = wt −by z −

r

write the complete expressions for the incident, reflected, and transmitted field

vectors

material having e = 4e0, μ = 9μ0 and s = 0 normal to the surface. If the incident

magnetic field vector is given by

10 cos ( ) ˆ tesla 6 B = wt −by z −

r

write the complete expressions for the incident, reflected, and transmitted field

vectors

Using Maxwell’s equations in free space, derive the wave equation for the

electric field vector. Obtain the conditions under which the following time varying

electric and magnetic fields satisfy Maxwell’s equations in vacuum with no source

charges or currents:

ˆ sin ( )

E = k E0 y − vt

ˆ sin ( )

B = i B0 y − vt

where E0 and B0 are constant.

electric field vector. Obtain the conditions under which the following time varying

electric and magnetic fields satisfy Maxwell’s equations in vacuum with no source

charges or currents:

ˆ sin ( )

E = k E0 y − vt

ˆ sin ( )

B = i B0 y − vt

where E0 and B0 are constant.

IC 7805 and IC 7905 must always used together

An electrical lamp consumes 100 W of power. If the supply voltage is 220V the energy consumed in 30 minutes is

The radius of the wire in a coaxial cable is .65mm and the inner radius of the coaxial conducting cylinder is 1.45mm assuming that there is vacuum between the wire and cylinder calculate the capacitance of a 1.5m length of cable