Electromagnetic Field Theory A waveguide operated below cut off frequency can be used as None An isolator An attenuator Phase shifter None An isolator An attenuator Phase shifter ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The operation of electric generators and motors depend on the intraction between magnetic field and Commutator. Copper conductors. Electric current. Electric fields. Commutator. Copper conductors. Electric current. Electric fields. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When a wave is incident from the more dense into a less dense medium at an angle equal to or exceeding the critical angle, the wave suffers total internal __________ . Refraction Reflection Transmission None of these Refraction Reflection Transmission None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A long straight wire carries a current I = 10A. At what distance is the magnetic field H = 1A/m? 1.39 m. 1.29 m. 1.59 m. 1.19 m. 1.39 m. 1.29 m. 1.59 m. 1.19 m. 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 Lagging the current Accelerating Oscillating Retardation Lagging the current Accelerating Oscillating Retardation ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A loop is rotating about x-axis in a magnetic field, B = BO cos(ω + φ) ay. The voltage in the loop is Due to transformer only. Zero. Due to rotating only. Due to both rotating and transformer action. Due to transformer only. Zero. Due to rotating only. Due to both rotating and transformer action. ANSWER DOWNLOAD EXAMIANS APP
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