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 both rotating and transformer action. Due to rotating only. Due to transformer only. Zero. Due to both rotating and transformer action. Due to rotating only. Due to transformer only. Zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnitude of the induced emf in a conductor depends upon on the rate of change of flux linkage. amount of flux linkage. flux density of the magnetic field. amount of flux cut. rate of change of flux linkage. amount of flux linkage. flux density of the magnetic field. amount of flux cut. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following represents ohms law V = RI All of these J = σE I = GV V = RI All of these J = σE I = GV ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Due to which of the following reasons a lightning conductor on top of a building is made into a pointed spike? Rain drops may not collect Dust particles may not accumulate None of these Charge per unit area becomes very high for lightening to discharge Rain drops may not collect Dust particles may not accumulate None of these Charge per unit area becomes very high for lightening to discharge ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The useful magnetic flux obtainable from any closed surface is Constant Both A and B Unity None of these Constant Both A and B Unity None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The force experienced by a current carrying conductor lying parallel to a magnetic field is zero. Bil sinθ. Bil cosθ. BIL. zero. Bil sinθ. Bil cosθ. BIL. ANSWER DOWNLOAD EXAMIANS APP