Electromagnetic Field Theory The ability of charged bodies to exert force on one another is attributed to the existence of electric field. protons. neutrons. electrons. electric field. protons. neutrons. electrons. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory What is the value of skin depth as 100 Hz in a material having μr = 1.0 and & σ = 3.60 × 107 s/m 2.4 mm. 8.4 mm. 10 mm. 4 mm. 2.4 mm. 8.4 mm. 10 mm. 4 mm. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory What is the value of total electric flux coming out of a closed surface? Equal to the surface charge density. Equal to volume change density. Equal to total charge enclosed by the surface. Zero. Equal to the surface charge density. Equal to volume change density. Equal to total charge enclosed by the surface. Zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnetic field at any point on the axis of current carrying circular coil will be zero. at an angle 45o with the axis. parallel to axis. perpendicular to axis. zero. at an angle 45o with the axis. parallel to axis. perpendicular to axis. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two parallel plates are separated by a distance D charged by V volt. The field intensity E is given by, V² / D V × D V / D V × D² V² / D V × D V / D V × D² 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 15 W. 50 W. 20 W. 25 W. 15 W. 50 W. 20 W. 25 W. ANSWER DOWNLOAD EXAMIANS APP
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