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. 6.25m. 5.25m. 0.6m. 0.5m. 6.25m. 5.25m. 0.6m. 0.5m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two spheres of radius r1 and r2 are connected by a conducting wire. Each of the spheres has been given a charge Q. Now both of sphere will have same potential. larger sphere will have smalled potential. larger sphere will have greater potential. smaller sphere will have zero potential. both of sphere will have same potential. larger sphere will have smalled potential. larger sphere will have greater potential. smaller sphere will have zero potential. 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. infinite. depends on magnetic movements outside the closed surface depends on magnetic movements inside the closed surface. zero. infinite. depends on magnetic movements outside the closed surface ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The tubes of force within the magnetic material are known as magnetic flux. lines of force. tubes of indication. none of them. magnetic flux. lines of force. tubes of indication. none of them. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Conductor is varying and field is fixed then emf will be induced. This principle is called both A and B. dynamically induced emf. static induced emf. None of these both A and B. dynamically induced emf. static induced emf. None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A circular loop has its radius increasing at a rate of 2 m/s. The loop placed perpendicular to a constant magnetic field of 0.5 wb/m2. When the radius of the loop is 4 m. the emf induced in the will be 0.8 π V. 8 π V. Zero. 0.4 π V. 0.8 π V. 8 π V. Zero. 0.4 π V. ANSWER DOWNLOAD EXAMIANS APP
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