Electromagnetic Field Theory The hysteresis loop of a magnetic material has an area of 5 cm2 with the scale given as 1 cm = 2 AT and 1 cm = 50 mwb At 50 Hz; the total hysteresis loss is 20 W. 50 W. 25 W. 15 W. 20 W. 50 W. 25 W. 15 W. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of this statement is not characteristic of a static magnetic field it is conservative. magnetic flux lines are always closed. it has no sink or sources. it is solenoidal. it is conservative. magnetic flux lines are always closed. it has no sink or sources. it is solenoidal. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory For an inductor, current is proportional to both (A) and (B). none of them. voltage across the inductor. magnetic field. both (A) and (B). none of them. voltage across the inductor. magnetic field. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Between a hollow and solid metal sphere, charge reside None of above. on outer surface in hollow and throughout in solid. on outer surface in both. on outer surface in hollow and throughout in solid None of above. on outer surface in hollow and throughout in solid. on outer surface in both. on outer surface in hollow and throughout in solid 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. Zero. 2 V. 1 V. √ 2 V. Zero. 2 V. 1 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnetic intensity in A/m at the centre of circular coil of diameter 1m and carrying a current of 2A is 2. 3. 8. 4. 2. 3. 8. 4. ANSWER DOWNLOAD EXAMIANS APP
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