Electromagnetic Field Theory The core of coil length is 200 mm. The inductance of coil is 6 mH. If the core length is doubled, all other quantities, remaining the same, the inductance will be 24 mH. 3 mH. 48 mH. 12 mH. 24 mH. 3 mH. 48 mH. 12 mH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetic circuit with cross sectional area of 20 cm2 is to be operated at 50 Hz from 120 Vrms supply. The number of turns required to active a peak magnetic flux density of 1.8 T in the core flux is 300. 600. 450. 150. 300. 600. 450. 150. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The two windings of a transformer have an inductor of 2 H each. If mutual inductor between them is also 2 H, then none of these. transformer is an ideal transformer. turns ratio of the transformer is also two. it is a perfect transformer. none of these. transformer is an ideal transformer. turns ratio of the transformer is also two. it is a perfect transformer. 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. Zero. PR 2/d3. PR/d2. PR/d. Zero. PR 2/d3. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory XEROX machine is working on magnetic effect. heating effect of current. peltier effect. electrostatic effect. magnetic effect. heating effect of current. peltier effect. electrostatic effect. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The radiation pattern of Hertzian dipole in the plane perpendicular to dipole is a Null None of these Circle Figure of eight Null None of these Circle Figure of eight ANSWER DOWNLOAD EXAMIANS APP
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