Electromagnetic Field Theory Which of the following is zero in relation to electromagnetic fields? Grad div A. Div curl A. Div grad V. Curl curl A. Grad div A. Div curl A. Div grad V. Curl curl A. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The effective reactance of an inductive coil decreases because of stray capacitance as the frequency increases. increases because of stray capacitance as the frequency increases. none of these. remains same irrespective of the frequency. decreases because of stray capacitance as the frequency increases. increases because of stray capacitance as the frequency increases. none of these. remains same irrespective of the frequency. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A wire 1 m long carries a current of 5A and is at an angle of 30o with B = 1.5 wb/m2. Magnitude of force is 3.75 N. 5 N. 2 N. 2.5 N. 3.75 N. 5 N. 2 N. 2.5 N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The frequency of the power wave associated with an electromagnetic wave having field as E = e-z/δ cos(ω - zδ) is given by ω/4π. ω. ω/2π. ω / π. ω/4π. ω. ω/2π. ω / π. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetic current is composed of which of the following? Only displacement current. Only conduction current. Both conduction and displacement current. None of these Only displacement current. Only conduction current. Both conduction and displacement current. None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The principle of dynamically induced emf is utilized in a thermocouple. transformer. choke. generator. thermocouple. transformer. choke. generator. ANSWER DOWNLOAD EXAMIANS APP