Electromagnetic Field Theory Inside a hollow conducting sphere electric field changes with distance from the center of the sphere. electric field is zero. electric field changes with magnitude of the charge given to the conductor. electric field is a non zero constant. electric field changes with distance from the center of the sphere. electric field is zero. electric field changes with magnitude of the charge given to the conductor. electric field is a non zero constant. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory According to Coulomb’s law, the force of attraction or repulsion, between to electrical charges is inversely proportional to the square of the distance between them. inversely proportional to the distance between them. directly proportional to the square of the distance between them. directly proportional to the distance between them. inversely proportional to the square of the distance between them. inversely proportional to the distance between them. directly proportional to the square of the distance between them. directly proportional to the distance between them. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A fan blade of length 2R rotates in a time period T in a magnetic field B. The induced voltage in the blade is proportional to R2BT. R2B / T. RBT. 2RBT. R2BT. R2B / T. RBT. 2RBT. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An emf of 16 volts is induced in a coil of inductance 4 H. The rate of change of current must be 32 A / s. 16 A / s. 64 A / s. 4 A / s. 32 A / s. 16 A / s. 64 A / s. 4 A / s. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Mutual inductance between two magnetically coupled coils depends on permeability of core. all of above. cross sectional area of their common core. the number of their turns. permeability of core. all of above. cross sectional area of their common core. the number of their turns. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An electric dipole of moment P is placed in front of a ground sphere. The change induced on the surface of the sphere is (Assume radius of sphere = R and distance from dipole to centre of sphere = d) Zero. PR 2/d3. PR/d. PR/d2. Zero. PR 2/d3. PR/d. PR/d2. ANSWER DOWNLOAD EXAMIANS APP
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