Electromagnetic Field Theory Ohm’s law in point from field theory can be expressed as J = σE. V = IR. J = E / σ. R = ρ × ( l / A). J = σE. V = IR. J = E / σ. R = ρ × ( l / A). ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A conductor is rotating with in a magnetic field. At which of the positions do the peak voltages occur? Along the axis of the magnetic field. At an angle of 45° to the axis of the magnetic field. At right angles to the axis of the magnetic field. Anywhere. Along the axis of the magnetic field. At an angle of 45° to the axis of the magnetic field. At right angles to the axis of the magnetic field. Anywhere. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In frec space E (z,t) = 103 sin(ωt - βz) uy v/m. What is the value of H (z,t) (103/377) sin(ωt - β z)(-ux) A/m. (103/377) cos(ωt - β z)(-ux) A/m. (103/377) sin(ωt - β z)(-uy) A/m. None of above. (103/377) sin(ωt - β z)(-ux) A/m. (103/377) cos(ωt - β z)(-ux) A/m. (103/377) sin(ωt - β z)(-uy) A/m. None of above. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory MUF is highest in periods of greatest sunspot activity. True False True False ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The energy stored in the magnetic field in a solenoid 10 cm long and 4 cm diameter wound with 2000 turns of wire carrying a current at 20 amp, is 30 joules. 12 joules. 15 joules. 24 joules. 30 joules. 12 joules. 15 joules. 24 joules. 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 intensity. None of these Electric flux. Magnetic flux density. Electric intensity. None of these Electric flux. ANSWER DOWNLOAD EXAMIANS APP
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