Electromagnetic Field Theory The divergence of a vector is a scalar, while the curl of a vector is another Vector Unit vector None of these Scalar Vector Unit vector None of these Scalar ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If E is the electric field intensity, then what is the value of divergence of (curl of E)? Zero. Null vector. | E |. E. Zero. Null vector. | E |. E. 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? Dust particles may not accumulate Rain drops may not collect None of these Charge per unit area becomes very high for lightening to discharge Dust particles may not accumulate Rain drops may not collect None of these Charge per unit area becomes very high for lightening to discharge ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnitude of the induced emf in a conductor depends upon on the amount of flux cut. flux density of the magnetic field. amount of flux linkage. rate of change of flux linkage. amount of flux cut. flux density of the magnetic field. amount of flux linkage. rate of change of flux linkage. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A plane wave magnetic field is represented by Bx = cos(y – ct). The electric and magnetic fields will be zero in the direction None of these. Ex = Ey = 0, Bx = By = 0. Ex = Ey = 0, By = Bz = 0. Ey = Ez = 0, By = Bz = 0. None of these. Ex = Ey = 0, Bx = By = 0. Ex = Ey = 0, By = Bz = 0. Ey = Ez = 0, By = Bz = 0. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnetic field at any point on the axis of current carrying circular coil will be perpendicular to axis. zero. at an angle 45o with the axis. parallel to axis. perpendicular to axis. zero. at an angle 45o with the axis. parallel to axis. ANSWER DOWNLOAD EXAMIANS APP
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