Electromagnetic Field Theory Which of the following is zero in relation to electromagnetic fields? Grad div A. Div grad V. Div curl A. Curl curl A. Grad div A. Div grad V. Div curl A. Curl curl A. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A magnetic vector potential is given by the expression A = (- cos x) (cos y) uz. The flux density at the origin is 0. – 2 ux. – uy. 2 ux. 0. – 2 ux. – uy. 2 ux. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The principle of dynamically induced emf is utilized in a generator. transformer. choke. thermocouple. generator. transformer. choke. thermocouple. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The tubes of force within the magnetic material are known as tubes of indication. none of them. magnetic flux. lines of force. tubes of indication. none of them. magnetic flux. lines of force. 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 300. 150. 600. 450. 300. 150. 600. 450. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of following is the unit of inductance? Webers / m. Ohm. Ampere turns. Milli- henry. Webers / m. Ohm. Ampere turns. Milli- henry. ANSWER DOWNLOAD EXAMIANS APP
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