Communication Systems – Important Questions for AISSCE 2010

VERY SHORT ANSWER AND SHORT ANSWER QUESTIONS What do you mean by communication? What is a digital signal? What is an analog signal? Mention the different types of communication systems? What do you mean by radio communication? What is modulation? Distinguish modulating wave, carrier wave and modulated wave. What are the different methods of modullation?…… Continue reading Communication Systems – Important Questions for AISSCE 2010

Long ANswer Type Questions from Electrostatics

Obtain an expression for the electric field intensity due to a uniformly charged ring of radius r at a point on the axis of the ring. Express Coulomb’s law in vector for. Derive an expression for the electric field due to an electric dipole at a point on (a) the axial line (b) the equatorial…… Continue reading Long ANswer Type Questions from Electrostatics