Electromagnetic Field Theory Which of following circuit element stores energy in electro-magnetic field? Capacitor. Condenser. Inductor. Variable Resistor. Capacitor. Condenser. Inductor. Variable Resistor. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Unit of electric flux density is farad / meter. weber / meter2. coulomb. coulomb / meter2. farad / meter. weber / meter2. coulomb. coulomb / meter2. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A circular loop has its radius increasing at a rate of 2 m/s. The loop placed perpendicular to a constant magnetic field of 0.5 wb/m2. When the radius of the loop is 4 m. the emf induced in the will be 8 π V. 0.4 π V. Zero. 0.8 π V. 8 π V. 0.4 π V. Zero. 0.8 π V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Radiation intensity in a given direction is the Energy radiated per square metre Power radiated per unit solid angle in that direction Power radiated per square metre None of these Energy radiated per square metre Power radiated per unit solid angle in that direction Power radiated per square metre None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory What is the value of total electric flux coming out of a closed surface? Zero. Equal to volume change density. Equal to total charge enclosed by the surface. Equal to the surface charge density. Zero. Equal to volume change density. Equal to total charge enclosed by the surface. Equal to the surface charge density. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The energy stored in the magnetic field in a solenoid 10 cm long and 4 cm diameter wound with 2000 turns of wire carrying a current at 20 amp, is 15 joules. 30 joules. 24 joules. 12 joules. 15 joules. 30 joules. 24 joules. 12 joules. ANSWER DOWNLOAD EXAMIANS APP