Electromagnetic Field Theory When a single turn coil rotates in a uniform magnetic field at a uniform speed, the induced emf will be steady. none of these. pulsating. alternating. steady. none of these. pulsating. alternating. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The radiation pattern of a parabola antenna is A figure of directional Highly directional Omnidirectional None of these A figure of directional Highly directional Omnidirectional None of these 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 8. 2. 4. 3. 8. 2. 4. 3. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The virtual height of an ionospheric layer is __________ true height Less than Equal to Higher than No relation Less than Equal to Higher than No relation ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Ohm’s law in point from field theory can be expressed as J = σE. V = IR. R = ρ × ( l / A). J = E / σ. J = σE. V = IR. R = ρ × ( l / A). J = E / σ. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The attenuation in waveguide above to cut off frequency Infinite Zero Very low Very high Infinite Zero Very low Very high ANSWER DOWNLOAD EXAMIANS APP
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