Electromagnetic Field Theory A fan blade of length 2R rotates in a time period T in a magnetic field B. The induced voltage in the blade is proportional to 2RBT. R2BT. R2B / T. RBT. 2RBT. R2BT. R2B / T. RBT. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When a single turn coil rotates in a uniform magnetic field at a uniform speed, the induced emf will be alternating. none of these. pulsating. steady. alternating. none of these. pulsating. steady. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When a conductor moves in the field, so that it makes an angle 8 with the lines of flux, the force F is given as : F = Bl sin2 0. No Yes No Yes ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A conductor of length L has current I passing through it, when it is placed parallel to strong magnetic field. The force experienced by the conductor will be BI2L. BL2I. BIL. zero. BI2L. BL2I. BIL. zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory MUF is depend upon Height of ionospheric layer 11 year sun spot cycle Received frequency by receiver Electron density of the ionospheric layer Height of ionospheric layer 11 year sun spot cycle Received frequency by receiver Electron density of the ionospheric layer ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In case of antenna the ratio of the power radiated in the desired direction to the power radiated in the opposite direction is known as Transmission efficiency Loss coefficient None of these Front to back ratio Transmission efficiency Loss coefficient None of these Front to back ratio ANSWER DOWNLOAD EXAMIANS APP
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