Electromagnetic Field Theory The magnetic intensity in A/m at the centre of circular coil of diameter 1m and carrying a current of 2A is 8. 4. 3. 2. 8. 4. 3. 2. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If in a 1 mF capacitor, an instantaneous displacement current of 1 A is to be established in the spaces between its plates then it is possible by applying 106 Amp/sec. 106 volts/sec. 106 volts. 106 Amp. 106 Amp/sec. 106 volts/sec. 106 volts. 106 Amp. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The hysteresis loop of a magnetic material has an area of 5 cm2 with the scale given as 1 cm = 2 AT and 1 cm = 50 mwb At 50 Hz; the total hysteresis loss is 20 W. 25 W. 15 W. 50 W. 20 W. 25 W. 15 W. 50 W. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The property of the coil by which a counter emf is induced in it when the current through the coil changes is known as series aiding inductance. mutual inductance. self inductance. capacitance. series aiding inductance. mutual inductance. self inductance. capacitance. ANSWER DOWNLOAD EXAMIANS APP
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 If n is the polarization vector and k is the direction of propagation plane electromagnetic wave, then n × k = 0. n = - k. n = K. n. k = 0. n × k = 0. n = - k. n = K. n. k = 0. ANSWER DOWNLOAD EXAMIANS APP