Electromagnetic Field Theory Which of the following is zero in relation to electromagnetic fields? Grad div A. Curl curl A. Div curl A. Div grad V. Grad div A. Curl curl A. Div curl A. Div grad V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Voltage applied across a dielectric produces an electrostatic field 50 times greater than air. The dielectric constant of the dielectric will be 10. 5. 50. 20. 10. 5. 50. 20. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Electric flux in coulombs emanating from any surface of a cube containing C coulombs of charge at its centre is 4πQ / 6ε. Q / 6ε. Q / 4π. Q / 6. 4πQ / 6ε. Q / 6ε. Q / 4π. Q / 6. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The heating time constant of an electrical machine gives an indication of its short time rating. rating. cooling. overload capacity. short time rating. rating. cooling. overload capacity. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The ability of charged bodies to exert force on one another is attributed to the existence of protons. electrons. electric field. neutrons. protons. electrons. electric field. neutrons. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory For DC voltage an inductor is virtually a depends on polarity. open circuit. short circuit. depends on magnitude of voltage. depends on polarity. open circuit. short circuit. depends on magnitude of voltage. ANSWER DOWNLOAD EXAMIANS APP