Electromagnetic Field Theory The inductance of a long solenoid of length 1000 mm wound uniformly with 3000 turns on a cylindrical paper cable of 60 mm diameter is 32 mH. 3.2 mH. 3.2 H. 3.2 µH. 32 mH. 3.2 mH. 3.2 H. 3.2 µH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetic flux density emerging out of a closed surface is depends on magnetic movements inside the closed surface. zero. depends on magnetic movements outside the closed surface infinite. depends on magnetic movements inside the closed surface. zero. depends on magnetic movements outside the closed surface infinite. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A long straight wire carries a current I = 10A. At what distance is the magnetic field H = 1A/m? 1.19 m. 1.29 m. 1.59 m. 1.39 m. 1.19 m. 1.29 m. 1.59 m. 1.39 m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Find the length of a conductor which is moving with a velocity 0.4m/s in a magnetic field of 8T, inducing an emf of 20V. 5.25m. 0.6m. 0.5m. 6.25m. 5.25m. 0.6m. 0.5m. 6.25m. 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) Q√(R2 + d2). QR. QD. QR2/d. Q√(R2 + d2). QR. QD. QR2/d. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The emf induced in a conductor rotating in bipolar field is DC. AC. none of these. DC and AC both. DC. AC. none of these. DC and AC both. ANSWER DOWNLOAD EXAMIANS APP
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