Electromagnetic Field Theory The frequency of the power wave associated with an electromagnetic wave having field as E = e-z/δ cos(ω - zδ) is given by ω/2π. ω / π. ω. ω/4π. ω/2π. ω / π. ω. ω/4π. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The core of coil length is 200 mm. The inductance of coil is 6 mH. If the core length is doubled, all other quantities, remaining the same, the inductance will be 48 mH. 24 mH. 3 mH. 12 mH. 48 mH. 24 mH. 3 mH. 12 mH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A satellite that simply reflect back the signals from one region of the earth to the other region is known as Orbiting satellite Passive satellite Geostationary satellite Active satellite Orbiting satellite Passive satellite Geostationary satellite Active satellite ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A pure inductor is connected across a voltage source. Find the active power drawn by the inductor? maximum either 1 or 2 0 None of these maximum either 1 or 2 0 None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetic circuit with cross sectional area of 20 cm2 is to be operated at 50 Hz from 120 Vrms supply. The number of turns required to active a peak magnetic flux density of 1.8 T in the core flux is 150. 600. 450. 300. 150. 600. 450. 300. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The field at any point on the axis of a current carrying coil will be parallel to axis. at angle of 45° with the axis. zero. perpendicular to the axis. parallel to axis. at angle of 45° with the axis. zero. perpendicular to the axis. ANSWER DOWNLOAD EXAMIANS APP