(Attempt any nine of the following questions)Name the only gate which is used in the following circuit. Write the truth table for each of the circuits. Identify the logic operation (i.e. I OR, AND, NOT etc.) performed by the circuits.

(Attempt any ten of the following questions) Find the value of current I flowing from A to B in the following circuit.

Give the truth table for the following logic circuit.

(Attempt any ten of the following questions) Under what conditions Doppler effect is called (i) red shift and (ii) blue shift?

(Attempt any ten of the following questions) A magnetic dipole is oscillating in a magnetic field obeying the following expression. d^2 theta/dt^2 = -mB/I theta What is the time period of oscillation and mention the nature of oscillation?

(Attempt any three of the following questions) State Kirchhoff's (i) Junction rule and (ii)Loop rule. Determine the equivalent resistance of the network given below and the total current going out of the battery. Given, each resistor has resistance of 1omega .

(Attempt any nine of the following questions) Consider that the electric field amplitude of an electromagnetic wave is E_0 = 120 NC^(-1) and its frequency is v= 50Hz. Determine B_0 , omega and k.