Electromagnetic Field Theory Due to which of the following reasons a lightning conductor on top of a building is made into a pointed spike? Rain drops may not collect None of these Charge per unit area becomes very high for lightening to discharge Dust particles may not accumulate Rain drops may not collect None of these Charge per unit area becomes very high for lightening to discharge Dust particles may not accumulate ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Voltage applied across a dielectric produces an electrostatic field 50 times greater than air. The dielectric constant of the dielectric will be 20. 5. 10. 50. 20. 5. 10. 50. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The shape of B-H curve for air gap is straight line. ellipse. parabola. hyperbola. straight line. ellipse. parabola. hyperbola. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An infinite sheet has a charge density of 150 μ C/m. The flux density in μ C/m 2 is 100. 75. 1/75. 50. 100. 75. 1/75. 50. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The force experienced by a current carrying conductor lying parallel to a magnetic field is Bil sinθ. BIL. Bil cosθ. zero. Bil sinθ. BIL. Bil cosθ. zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The work done by a force F = 4un - 3uy + 2uz N in giving a 1nC charge a displacement of (10 ux + 2uy - 7uz) m is 20 nj. 60 nj. 100 nj. 40 nj. 20 nj. 60 nj. 100 nj. 40 nj. ANSWER DOWNLOAD EXAMIANS APP
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