Electromagnetic Field Theory In case of antenna the ratio of the power radiated in the desired direction to the power radiated in the opposite direction is known as Transmission efficiency Loss coefficient None of these Front to back ratio Transmission efficiency Loss coefficient None of these Front to back ratio ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Electric field intensity (E) at ant point in an electric field is equal to (potential gradient)1/3. potential gradient. (potential gradient)1/2. (potential gradient)2. (potential gradient)1/3. potential gradient. (potential gradient)1/2. (potential gradient)2. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The divergence of a vector is a scalar, while the curl of a vector is another Unit vector Vector None of these Scalar Unit vector Vector None of these Scalar ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Fleming's right hand rule may be applied to an electric generator to find out the direction of magnetic field. None of these induced emf. rotor rotation. magnetic field. None of these induced emf. rotor rotation. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When a conductor moves in the field, so that it makes an angle 8 with the lines of flux, the force F is given as : F = Bl sin2 0. Yes No Yes No ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The potential that appears at a point in space due to the current which caused it is called potential Oscillating Lagging the current Retardation Accelerating Oscillating Lagging the current Retardation Accelerating ANSWER DOWNLOAD EXAMIANS APP
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