Electromagnetic Field Theory The magnetic intensity in A/m at the centre of circular coil of diameter 1m and carrying a current of 2A is 3. 8. 2. 4. 3. 8. 2. 4. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The force on a charge moving with velocity v under the influence of electric and magnetic fields is given by which one of the following q(E + B × V). q(E + V × B). q(H + V × E). q(E +V × H). q(E + B × V). q(E + V × B). q(H + V × E). q(E +V × H). ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnetic field at any point on the axis of current carrying circular coil will be zero. parallel to axis. at an angle 45o with the axis. perpendicular to axis. zero. parallel to axis. at an angle 45o with the axis. perpendicular to axis. 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) QD. QR. Q√(R2 + d2). QR2/d. QD. QR. Q√(R2 + d2). QR2/d. 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 inductor is made of thin wire. the inductor is non linear. the above statement is false. the inductor has ferrite core. the inductor is made of thin wire. the inductor is non linear. the above statement is false. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A magnetic material has a total flux B of 80 micro Wb with an mmf of 160 AT. The reluctance in ampere turn per weber is 2 × 106. 2 × 10-8. 2 × 10-6. 2 × 108. 2 × 106. 2 × 10-8. 2 × 10-6. 2 × 108. ANSWER DOWNLOAD EXAMIANS APP
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