Electromagnetic Field Theory The heating time constant of an electrical machine gives an indication of its rating. short time rating. cooling. overload capacity. rating. short time rating. cooling. overload capacity. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In case of all flux from the current in coil 1 links with coil 2, the coefficient of coupling will be 2.0. Zero. 1.0. 0.5. 2.0. Zero. 1.0. 0.5. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Materials subjected to rapid reversals of magnetism should have low hysteresis loss. both a and b. low permeability. high permeability. low hysteresis loss. both a and b. low permeability. high permeability. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An electric field on a place described by its potential V = 20 (r -1 + r-2) where r is the distance from the source. The field is due to Both of A and B. A dipole. A quardra pole. A monopole. Both of A and B. A dipole. A quardra pole. A monopole. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The minimum height of outer atmosphere is 400 km 200 km 100 km 150 km 400 km 200 km 100 km 150 km 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 600. 450. 300. 150. 600. 450. 300. 150. ANSWER DOWNLOAD EXAMIANS APP
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