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 uy N. 5 × 10-5 ux N. - 5 × 10-5 uy N. 5 × 10-5 uz N. 5 × 10-5 uy N. 5 × 10-5 ux N. - 5 × 10-5 uy N. 5 × 10-5 uz N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The force required to seperate two surfaces with a contact area measuring 5 cm by 6 cm, when flux density normal to the surface is 0.8 tesla, will be 76.4 N. 764 N. 76400 N. 7640 N. 76.4 N. 764 N. 76400 N. 7640 N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The useful magnetic flux obtainable from any closed surface is Constant Both A and B None of these Unity Constant Both A and B None of these Unity ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A pure inductor when connected across 220 V, 50 Hz supply consumes 100 W. From the above statement it can be concluded that the inductor has ferrite core. the above statement is false. the inductor is non linear. the inductor is made of thin wire. the inductor has ferrite core. the above statement is false. the inductor is non linear. the inductor is made of thin wire. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If the static magnetic flux density is B, then Divergence of B = 0. Curl of B = J. Curl of B = 0. Divergence of B = J. Divergence of B = 0. Curl of B = J. Curl of B = 0. Divergence of B = J. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In case of surface waves the field strength at a point is directly proportional to Distance of the point from the antenna Antenna height Wave frequency Current of the antenna Distance of the point from the antenna Antenna height Wave frequency Current of the antenna ANSWER DOWNLOAD EXAMIANS APP
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