(a) State Ohm's law and give its limitations. (b) What is the working principle of D.C. motor? (c) Define rms, average and form factor of a sinusoidal alternating voltage. (d) Convert (4287) 10 into Hexadecimal number system? (e) State Faraday's laws of electromagnetic induction. (f) What is the difference between MOSFET and FET? (g) What is difference between salient and non-salient pole 3 phase synchronou machines? (h) Explain the working of Thermo couple thermometer? (i) State and explain Kirchoff's laws. (i) What is a T flip-flop? Give its symbol and draw waveform.