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 8 π V. Zero. 0.8 π V. 0.4 π V. 8 π V. Zero. 0.8 π V. 0.4 π V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A long wire composed of a smooth round conductor runs above and parallel to the ground (assumed to be a large conducting plane). A high voltage exists between the conductor and the ground. The maximum electric stress occurs at lower surface of the conductor. midway between the conductor and ground. upper surface of the conductor. the ground surface. lower surface of the conductor. midway between the conductor and ground. upper surface of the conductor. the ground surface. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Conductor is static and the field is varying then emf will be induced. This principle is called virtually induced emf. static induced emf. none of these dynamically induced emf. virtually induced emf. static induced emf. none of these dynamically induced emf. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnetic vector potential due to a single conductor carrying current is none of tha above. infinite. zero. finite. none of tha above. infinite. zero. finite. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of following can induce the maximum induced voltage ? 20 amp dc. 1 amp 100 Hz. 1 amp 1 Hz. 1 amp dc. 20 amp dc. 1 amp 100 Hz. 1 amp 1 Hz. 1 amp dc. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory What is the unit of magnetic charge Ampere meter. Coulomb. Ampere-meter square. Ampere. Ampere meter. Coulomb. Ampere-meter square. Ampere. ANSWER DOWNLOAD EXAMIANS APP