Electromagnetic Field Theory The operation of electric generators and motors depend on the intraction between magnetic field and Electric fields. Commutator. Copper conductors. Electric current. Electric fields. Commutator. Copper conductors. Electric current. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The static electric field in a conductor is None of these Unity Infinity Zero None of these Unity Infinity Zero ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An insulated metal sphere of 20 cm diameter is charged by rubbing with charges 2 × 10-8 C. Potential developed will be 1800 V. 0 V. 900 V. 200 V. 1800 V. 0 V. 900 V. 200 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetic circuit with cross sectional area of 20 cm2 is to be operated at 50 Hz from 120 Vrms supply. The number of turns required to active a peak magnetic flux density of 1.8 T in the core flux is 600. 300. 450. 150. 600. 300. 450. 150. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The shape of B-H curve for air gap is straight line. parabola. ellipse. hyperbola. straight line. parabola. ellipse. hyperbola. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When a conductor moves in the field, so that it makes an angle 8 with the lines of flux, the force F is given as : F = Bl sin2 0. No Yes No Yes ANSWER DOWNLOAD EXAMIANS APP
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