Electromagnetic Field Theory Fleming's right hand rule may be applied to an electric generator to find out the direction of magnetic field. rotor rotation. None of these induced emf. magnetic field. rotor rotation. None of these induced emf. 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? 1.29 m. 1.39 m. 1.19 m. 1.59 m. 1.29 m. 1.39 m. 1.19 m. 1.59 m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A waveguide operated below cut off frequency can be used as An attenuator Phase shifter None An isolator An attenuator Phase shifter None An isolator ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A magnetic vector potential is given by the expression A = (- cos x) (cos y) uz. The flux density at the origin is 2 ux. – uy. 0. – 2 ux. 2 ux. – uy. 0. – 2 ux. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In above problem the induced emf will be reduced to half if the conductor moves an angle of 30° to the direction of field. 45° to the direction of field. 60° to the direction of field. 75° to the direction of field. 30° to the direction of field. 45° to the direction of field. 60° to the direction of field. 75° to the direction of field. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory It was suggested by _____________ that the electric field should be imagined to be divided into tubes of force containing a fixed number of line of force Faraday. all of above. Kelvin. Newton. Faraday. all of above. Kelvin. Newton. ANSWER DOWNLOAD EXAMIANS APP
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