Solution for Question1 (cont.) : IES Conventional 1998 : Electronics & Telecommunication Engineering : Paper I

Q.1 (f) : Synthesize the two Foster networks for 

Sol:  

             

                                   

                                               Foster I form

Foster II form

Q.1 (g):  If the magnetic flux density of a point in a region is 250 sin 120 xt az mWb/m, what is the curl of the electric field intensity?  

Sol: 

Q.1 (h): With the input of

to an amplifier, the measured output amplitude is 1 volt at 1 kHz and 1 mV at 600 Hz. If the amplifier input-output characteristics is given by 

Determine the out- put amplitudes at the other frequencies.

Sol: