Electromagnetic Field Theory Electric field inside a hollow metallic charged sphere is none of above. increasing towards centre. decreasing towards centre. zero. none of above. increasing towards centre. decreasing towards centre. zero. 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) PR/d2. PR/d. PR 2/d3. Zero. PR/d2. PR/d. PR 2/d3. Zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Mutual inductance between two magnetically coupled coils depends on cross sectional area of their common core. all of above. permeability of core. the number of their turns. cross sectional area of their common core. all of above. permeability of core. the number of their turns. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If E is the electric field intensity, then what is the value of divergence of (curl of E)? | E |. E. Zero. Null vector. | E |. E. Zero. Null vector. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The main purpose of choke is to pass low frequencies. none of above. to pass high frequencies. to block low frequencies. to pass low frequencies. none of above. to pass high frequencies. to block low frequencies. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A loop is rotating about x-axis in a magnetic field, B = BO cos(ω + φ) ay. The voltage in the loop is Due to transformer only. Due to rotating only. Due to both rotating and transformer action. Zero. Due to transformer only. Due to rotating only. Due to both rotating and transformer action. Zero. ANSWER DOWNLOAD EXAMIANS APP