Electromagnetic Field Theory Two infinite parallel metal plates are charged with equal surface charge density of the same polarity. The electric field in the gap between the plates is double the field produced by one plate. zero. dependent on coordinates of field points. same as that produced by one plate. double the field produced by one plate. zero. dependent on coordinates of field points. same as that produced by one plate. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Conductor is static and the field is varying then emf will be induced. This principle is called static induced emf. none of these virtually induced emf. dynamically induced emf. static induced emf. none of these virtually induced emf. dynamically induced emf. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In an iron core coil the iron core is removed so that the coil becomes an air core coil. The inductance of the coil will decrease. remain the same. initially increase and then decrease. increase. decrease. remain the same. initially increase and then decrease. increase. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Inside a hollow conducting sphere electric field is zero. electric field changes with distance from the center of the sphere. electric field is a non zero constant. electric field changes with magnitude of the charge given to the conductor. electric field is zero. electric field changes with distance from the center of the sphere. electric field is a non zero constant. electric field changes with magnitude of the charge given to the conductor. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Plane z = 10 m carries charge 20 C/m2. The electric field intensity at the origin is – 72 πuz v/m. – 360 πuz v/m. – 18 πuz v/m. – 10 uz v/m. – 72 πuz v/m. – 360 πuz v/m. – 18 πuz v/m. – 10 uz v/m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A conductor of length 1 metre moves at right angles to magnetic field of flux density 1 Wb/m2 with a velocity of 25 m/s. The induced emf in the conductor will be 75 V. 25 V. 100 V. 50 V. 75 V. 25 V. 100 V. 50 V. ANSWER DOWNLOAD EXAMIANS APP