Electromagnetic Field Theory A wire 1 m long carries a current of 5A and is at an angle of 30o with B = 1.5 wb/m2. Magnitude of force is 2.5 N. 2 N. 5 N. 3.75 N. 2.5 N. 2 N. 5 N. 3.75 N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A vector field A = p In is given in Cartesian coordinates. In cylindrical coordinates it will be represented as A = cosφ Ir - sinφ Ir. A = sinφ Ir. A = cosφ Ir + sinφ Iφ. A = cosφ Ir. A = cosφ Ir - sinφ Ir. A = sinφ Ir. A = cosφ Ir + sinφ Iφ. A = cosφ Ir. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnitude of the induced emf in a conductor depends upon on the rate of change of flux linkage. flux density of the magnetic field. amount of flux cut. amount of flux linkage. rate of change of flux linkage. flux density of the magnetic field. amount of flux cut. amount of flux linkage. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory ________ at a point is defined as the force experienced per unit positive charge at a point placed in the electric field. Electric flux. Electric intensity. Magnetic flux density. None of these Electric flux. Electric intensity. Magnetic flux density. None of these 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 midway between the conductor and ground. lower surface of the conductor. the ground surface. upper surface of the conductor. midway between the conductor and ground. lower surface of the conductor. the ground surface. upper surface of the conductor. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A fan blade of length 2R rotates in a time period T in a magnetic field B. The induced voltage in the blade is proportional to R2B / T. 2RBT. R2BT. RBT. R2B / T. 2RBT. R2BT. RBT. ANSWER DOWNLOAD EXAMIANS APP