Electromagnetic Field Theory A conductor of length 100 cm moves at right angles to a magnetic field of flux density 1.5 Wb/m2 with a velocity of 50 m/s. The induced emf in the conductor will be 75 V. 37.5 V. 150 V. 50 V. 75 V. 37.5 V. 150 V. 50 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The right hand rule for determining the direction of the induced EMF was introduced by Lenz Fleming Maxwell Faraday Lenz Fleming Maxwell Faraday ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In a lossless medium the intrinsic impedance η = 60π and μr = 1. The relative dielectric constant εr shall be 1. 8. 2. 4. 1. 8. 2. 4. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Ohm’s law in point from field theory can be expressed as J = σE. V = IR. J = E / σ. R = ρ × ( l / A). J = σE. V = IR. J = E / σ. R = ρ × ( l / A). ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Biot-Savarts law states the relation between magnetic intensity and volume current only. surface current only. filament current only. (A), (B), and (D) are all correct. volume current only. surface current only. filament current only. (A), (B), and (D) are all correct. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A circular ring is carrying uniformly distributed charge q and a point charge – Q on the axis of the ring. The magnitude of dipole moment of the charge system is (Assume distance between centre of ring and point charge is d and radius of ring R) QR. Q√(R2 + d2). QD. QR2/d. QR. Q√(R2 + d2). QD. QR2/d. ANSWER DOWNLOAD EXAMIANS APP
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