Electromagnetic Field Theory The power gain of a half-wave dipole with respect to an isotropic radiator is 4.15 db 2.15 db 3 db 6 db 4.15 db 2.15 db 3 db 6 db ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Plane z = 10 m carries charge 20 C/m2. The electric field intensity at the origin is – 72 πuz v/m. – 18 πuz v/m. – 10 uz v/m. – 360 πuz v/m. – 72 πuz v/m. – 18 πuz v/m. – 10 uz v/m. – 360 πuz v/m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A medium is said to be isotropic when ∈ is a scalar constant. ∈ is zero. ∈ = μ. ∈ = μσ. ∈ is a scalar constant. ∈ is zero. ∈ = μ. ∈ = μσ. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The force experienced by a current carrying conductor lying parallel to a magnetic field is BIL. zero. Bil sinθ. Bil cosθ. BIL. zero. Bil sinθ. Bil cosθ. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The hysteresis loop of a magnetic material has an area of 5 cm2 with the scale given as 1 cm = 2 AT and 1 cm = 50 mwb At 50 Hz; the total hysteresis loss is 50 W. 15 W. 25 W. 20 W. 50 W. 15 W. 25 W. 20 W. 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 3. 2. 4. 8. 3. 2. 4. 8. ANSWER DOWNLOAD EXAMIANS APP
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