Electromagnetic Field Theory Which of the following is zero in relation to electromagnetic fields? Div grad V. Grad div A. Curl curl A. Div curl A. Div grad V. Grad div A. Curl curl A. Div curl A. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Inside a hollow conducting sphere electric field changes with magnitude of the charge given to the conductor. electric field changes with distance from the center of the sphere. electric field is a non zero constant. electric field is zero. electric field changes with magnitude of the charge given to the conductor. electric field changes with distance from the center of the sphere. electric field is a non zero constant. electric field is zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of following is true for a purely inductive circuit ? Actual power of the circuit is zero. Apparent power of the circuit is zero. Reactive power of the circuit is zero. Any capacitance even if present in the circuit will not be charged. Actual power of the circuit is zero. Apparent power of the circuit is zero. Reactive power of the circuit is zero. Any capacitance even if present in the circuit will not be charged. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A Yagi antenna has a driven antenna With a reflector With a reflector and one or more directors With one or more directors Only With a reflector With a reflector and one or more directors With one or more directors Only ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Conductor is static and the field is varying then emf will be induced. This principle is called none of these dynamically induced emf. static induced emf. virtually induced emf. none of these dynamically induced emf. static induced emf. virtually induced emf. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A magnetic material has a total flux B of 80 micro Wb with an mmf of 160 AT. The reluctance in ampere turn per weber is 2 × 108. 2 × 106. 2 × 10-6. 2 × 10-8. 2 × 108. 2 × 106. 2 × 10-6. 2 × 10-8. ANSWER DOWNLOAD EXAMIANS APP