Electromagnetic Field Theory The work done by a force F = 4un - 3uy + 2uz N in giving a 1nC charge a displacement of (10 ux + 2uy - 7uz) m is 20 nj. 40 nj. 100 nj. 60 nj. 20 nj. 40 nj. 100 nj. 60 nj. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which antenna is a wideband antenna? Marconi antenna None of these Hertz antenna Folded dipole Marconi antenna None of these Hertz antenna Folded dipole ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Cork Screw rule is used to find direction of emf. direction of electric field. direction of current. direction of magnetic field. direction of emf. direction of electric field. direction of current. direction of magnetic field. 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 ________ at a point is defined as the force experienced per unit positive charge at a point placed in the electric field. Magnetic flux density. Electric flux. Electric intensity. None of these Magnetic flux density. Electric flux. Electric intensity. None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A magnetic circuit requires 800 AT to produce a certain quantity of flux in a magnetic circuit. If its excitation coil has 100 turns and 5 Ohm resistance, the voltage to be applied in exciting coil is 8 V. 40 V. 60 V. 80 V. 8 V. 40 V. 60 V. 80 V. ANSWER DOWNLOAD EXAMIANS APP
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