Electromagnetic Field Theory Magnetic field intensity at centre of circular coil, of diameter 1 m and carrying a current of 2 A is 1 A/m. 2 A/m. 8 A/m. 4 A/m. 1 A/m. 2 A/m. 8 A/m. 4 A/m. 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. n. k = 0. n × k = 0. n = K. n = - k. n. k = 0. n × k = 0. n = K. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Between a hollow and solid metal sphere, charge reside on outer surface in hollow and throughout in solid. None of above. on outer surface in both. on outer surface in hollow and throughout in solid on outer surface in hollow and throughout in solid. None of above. on outer surface in both. on outer surface in hollow and throughout in solid ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory How much current must flow in a loop of radius 1m to produce a magnetic field of 1 mA/m? 2.5 mA. 2 mA. 1.5 mA. 1mA. 2.5 mA. 2 mA. 1.5 mA. 1mA. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory XEROX machine is working on heating effect of current. magnetic effect. electrostatic effect. peltier effect. heating effect of current. magnetic effect. electrostatic effect. peltier effect. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The work done by a force F = 4un - 3uy + 2uz N in giving a 1nC charge a displacement of (10 ux + 2uy - 7uz) m is 60 nj. 40 nj. 100 nj. 20 nj. 60 nj. 40 nj. 100 nj. 20 nj. ANSWER DOWNLOAD EXAMIANS APP