Electromagnetic Field Theory Between a hollow and solid metal sphere, charge reside on outer surface in hollow and throughout in solid on outer surface in both. None of above. on outer surface in hollow and throughout in solid. on outer surface in hollow and throughout in solid on outer surface in both. None of above. on outer surface in hollow and throughout in solid. 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 Cork Screw rule is used to find direction of emf. direction of current. direction of electric field. direction of magnetic field. direction of emf. direction of current. direction of electric field. direction of magnetic field. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A sphere of radius with a uniform charge density ρv C/m3 shall have electric flux density at radius “r = a” equal to ρv/3 C/m2. aρv/4 C/m2. aρv C/m2. aρv/3 C/m2. ρv/3 C/m2. aρv/4 C/m2. aρv C/m2. aρv/3 C/m2. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two point charges (Q and – Q) are situated at the vertex of the square. If potential at another vertex is 2 V, so potential at opposite vertex (diagonally) is 2 V. 1 V. Zero. √ 2 V. 2 V. 1 V. Zero. √ 2 V. 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? 1mA. 1.5 mA. 2 mA. 2.5 mA. 1mA. 1.5 mA. 2 mA. 2.5 mA. ANSWER DOWNLOAD EXAMIANS APP