Electromagnetic Field Theory A sphere of 20 cm radius contains electrical charge of density 2/(r sinθ) c/m3. What is the total charge contained within the sphere? None of above. 0.335 C. 0.335/sinθ c. 0. None of above. 0.335 C. 0.335/sinθ c. 0. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetic circuit with cross sectional area of 20 cm2 is to be operated at 50 Hz from 120 Vrms supply. The number of turns required to active a peak magnetic flux density of 1.8 T in the core flux is 450. 300. 150. 600. 450. 300. 150. 600. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following is zero in relation to electromagnetic fields? Div curl A. Curl curl A. Div grad V. Grad div A. Div curl A. Curl curl A. Div grad V. Grad div A. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Midway between two equal and similar charges, a third equal and similar charge is placed, then this third charge will will move out of the field of influence of two charges. remain in stable equilibrium. be in unstable equilibrium. not be equilibrium. will move out of the field of influence of two charges. remain in stable equilibrium. be in unstable equilibrium. not be equilibrium. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory What is the value of total electric flux coming out of a closed surface? Equal to total charge enclosed by the surface. Equal to the surface charge density. Equal to volume change density. Zero. Equal to total charge enclosed by the surface. Equal to the surface charge density. Equal to volume change density. Zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If an electric current carrying coil is placed in a uniform magnetic field in the direction of magnetic induction, then the net force is finite but torque is zero. the net force and torque are both finite. the net force and torque on the coil are both zero. the net force is zero but torque is finite. the net force is finite but torque is zero. the net force and torque are both finite. the net force and torque on the coil are both zero. the net force is zero but torque is finite. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS