Electromagnetic Field Theory The heating time constant of an electrical machine gives an indication of its rating. cooling. short time rating. overload capacity. rating. cooling. short time rating. overload capacity. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The tubes of force within the magnetic material are known as tubes of indication. magnetic flux. none of them. lines of force. tubes of indication. magnetic flux. none of them. lines of force. 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 3. 2. 8. 4. 3. 2. 8. 4. 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 Zero. √ 2 V. 2 V. 1 V. Zero. √ 2 V. 2 V. 1 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The virtual height of an ionospheric layer is __________ true height Less than Equal to No relation Higher than Less than Equal to No relation Higher than ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The shape of B-H curve for air gap is ellipse. parabola. hyperbola. straight line. ellipse. parabola. hyperbola. straight line. ANSWER DOWNLOAD EXAMIANS APP
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