Electromagnetic Field Theory According to Coulomb’s law, the force of attraction or repulsion, between to electrical charges is inversely proportional to the square of the distance between them. directly proportional to the square of the distance between them. directly proportional to the distance between them. inversely proportional to the distance between them. inversely proportional to the square of the distance between them. directly proportional to the square of the distance between them. directly proportional to the distance between them. inversely proportional to the distance between them. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A conductor is rotating with in a magnetic field. At which of the positions do the peak voltages occur? Anywhere. At right angles to the axis of the magnetic field. At an angle of 45° to the axis of the magnetic field. Along the axis of the magnetic field. Anywhere. At right angles to the axis of the magnetic field. At an angle of 45° to the axis of the magnetic field. Along the axis of the magnetic field. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory For DC voltage an inductor is virtually a short circuit. depends on polarity. open circuit. depends on magnitude of voltage. short circuit. depends on polarity. open circuit. depends on magnitude of voltage. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following is zero in relation to electromagnetic fields? Grad div A. Div grad V. Curl curl A. Div curl A. Grad div A. Div grad V. Curl curl A. Div curl A. 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 50 W. 20 W. 25 W. 15 W. 50 W. 20 W. 25 W. 15 W. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Electric field strength of charge Decrease with distance. Increase square distance. Decrease with square distance. Increase distance. Decrease with distance. Increase square distance. Decrease with square distance. Increase distance. ANSWER DOWNLOAD EXAMIANS APP