Electromagnetic Field Theory The transmitting antennas for lower frequencies (below 500 kHz) are generally Horizontal suspended wire type Vertical grounded wire type Parabolic reflector type Any of the above Horizontal suspended wire type Vertical grounded wire type Parabolic reflector type Any of the above ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In case of surface waves the field strength at a point is directly proportional to Distance of the point from the antenna Wave frequency Antenna height Current of the antenna Distance of the point from the antenna Wave frequency Antenna height Current of the antenna ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnitude of the induced emf in a conductor depends upon on the amount of flux linkage. amount of flux cut. flux density of the magnetic field. rate of change of flux linkage. amount of flux linkage. amount of flux cut. flux density of the magnetic field. rate of change of flux linkage. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnetic intensity in A/m at the centre of circular coil of diameter 1m and carrying a current of 2A is 4. 8. 3. 2. 4. 8. 3. 2. 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 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 ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory According to maximum power transfer theorem, the maximum power is absorbed by one network from another network when The impedance of one is the complex conjugate of the other The impedance of one of the networks is half that of the other The impedance of one is equal to that of the other None of these The impedance of one is the complex conjugate of the other The impedance of one of the networks is half that of the other The impedance of one is equal to that of the other None of these ANSWER DOWNLOAD EXAMIANS APP
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