Electromagnetic Field Theory The minimum height of outer atmosphere is 400 km 200 km 100 km 150 km 400 km 200 km 100 km 150 km 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 rotating only. Zero. Due to transformer only. Due to both rotating and transformer action. Due to rotating only. Zero. Due to transformer only. Due to both rotating and transformer action. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Conductor is constant and field is varying then emf will be induced. This principle is called virtually induced emf. None of these dynamically induced emf. static induced emf. virtually induced emf. None of these dynamically induced emf. static induced emf. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The ability of charged bodies to exert force on one another is attributed to the existence of electric field. electrons. protons. neutrons. electric field. electrons. protons. neutrons. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of following can induce the maximum induced voltage ? 20 amp dc. 1 amp 100 Hz. 1 amp dc. 1 amp 1 Hz. 20 amp dc. 1 amp 100 Hz. 1 amp dc. 1 amp 1 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following will increase the antenna radiation efficiency? Top loading of antenna Providing insulation on conductor Any of the above Use of larger section of conductor Top loading of antenna Providing insulation on conductor Any of the above Use of larger section of conductor ANSWER DOWNLOAD EXAMIANS APP
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