Electromagnetic Field Theory MUF is highest in periods of greatest sunspot activity. True False True False ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The wave in wave guide has Larger frequency than in the free space Diminishing wavelength than in the free space Group velocity inversely proportional to wavelength Larger wavelength than in the free space Larger frequency than in the free space Diminishing wavelength than in the free space Group velocity inversely proportional to wavelength Larger wavelength than in the free space 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 0.5. 1.0. Zero. 2.0. 0.5. 1.0. Zero. 2.0. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A magnetic field B = 5 × 10-2 uz T exerts a force on 0.02 m conductor along the x-axis. The conductor carried a current of 5 mA in the – ux direction. What force must be applied to the conductor to hold it in position 5 × 10-5 uz N. 5 × 10-5 ux N. - 5 × 10-5 uy N. 5 × 10-5 uy N. 5 × 10-5 uz N. 5 × 10-5 ux N. - 5 × 10-5 uy N. 5 × 10-5 uy N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A pure inductor is connected across a voltage source. Find the active power drawn by the inductor? None of these either 1 or 2 maximum 0 None of these either 1 or 2 maximum 0 ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A rectangular loop in the x – z plane bounded by the lines x = 0, x = a, z = 0 and z = b is in a time varying magnetic field is given by B = B0 cosωt + ay. Where B0 is constant, ω is angular frequency and ay unit vector in the y direction. Now the emf induced in the loop is given by Zero. Bo ω sinω t. ab Bo cosω t. abω Bo sinω t. Zero. Bo ω sinω t. ab Bo cosω t. abω Bo sinω t. ANSWER DOWNLOAD EXAMIANS APP
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