Electromagnetic Field Theory What is the unit of magnetic charge Ampere. Coulomb. Ampere-meter square. Ampere meter. Ampere. Coulomb. Ampere-meter square. Ampere meter. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A rectangular loop in the x – z plane bounded by the lines x = 0, x = a, z = 0 and z = b is in a time varying magnetic field is given by B = B0 cosωt + ay. Where B0 is constant, ω is angular frequency and ay unit vector in the y direction. Now the emf induced in the loop is given by ab Bo cosω t. abω Bo sinω t. Bo ω sinω t. Zero. ab Bo cosω t. abω Bo sinω t. Bo ω sinω t. Zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Due to which of the following reasons a lightning conductor on top of a building is made into a pointed spike? Charge per unit area becomes very high for lightening to discharge None of these Dust particles may not accumulate Rain drops may not collect Charge per unit area becomes very high for lightening to discharge None of these Dust particles may not accumulate Rain drops may not collect ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory XEROX machine is working on peltier effect. magnetic effect. electrostatic effect. heating effect of current. peltier effect. magnetic effect. electrostatic effect. heating effect of current. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The operation of electric generators and motors depend on the intraction between magnetic field and Commutator. Electric current. Copper conductors. Electric fields. Commutator. Electric current. Copper conductors. Electric fields. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Plane z = 10 m carries charge 20 C/m2. The electric field intensity at the origin is – 10 uz v/m. – 72 πuz v/m. – 18 πuz v/m. – 360 πuz v/m. – 10 uz v/m. – 72 πuz v/m. – 18 πuz v/m. – 360 πuz v/m. ANSWER DOWNLOAD EXAMIANS APP
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