Electromagnetic Field Theory A sphere of 20 cm radius contains electrical charge of density 2/(r sinθ) c/m3. What is the total charge contained within the sphere? 0.335 C. 0.335/sinθ c. 0. None of above. 0.335 C. 0.335/sinθ c. 0. None of above. ANSWER DOWNLOAD EXAMIANS APP
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 5 N. 3.75 N. 2.5 N. 2 N. 5 N. 3.75 N. 2.5 N. 2 N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In above question no. 9, the average force on the core to reduce the air gap will be 3332.47 N. 1666.22 N. 6664.8 N. 832.29 N. 3332.47 N. 1666.22 N. 6664.8 N. 832.29 N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetic circuit with cross sectional area of 20 cm2 is to be operated at 50 Hz from 120 Vrms supply. The number of turns required to active a peak magnetic flux density of 1.8 T in the core flux is 150. 600. 450. 300. 150. 600. 450. 300. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Conductor is varying and field is fixed then emf will be induced. This principle is called None of these dynamically induced emf. both A and B. static induced emf. None of these dynamically induced emf. both A and B. static induced emf. ANSWER DOWNLOAD EXAMIANS APP
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 dependent on coordinates of field points. same as that produced by one plate. zero. double the field produced by one plate. dependent on coordinates of field points. same as that produced by one plate. zero. double the field produced by one plate. ANSWER DOWNLOAD EXAMIANS APP