Electromagnetic Field Theory Ohm’s law in point from field theory can be expressed as J = E / σ. V = IR. R = ρ × ( l / A). J = σE. J = E / σ. V = IR. R = ρ × ( l / A). J = σE. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In an inductor current cannot change abruptly. Comment on the statement. Cannot comment. False. True partially. True. Cannot comment. False. True partially. True. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The wave in wave guide has Diminishing wavelength than in the free space Larger frequency than in the free space Larger wavelength than in the free space Group velocity inversely proportional to wavelength Diminishing wavelength than in the free space Larger frequency than in the free space Larger wavelength than in the free space Group velocity inversely proportional to wavelength ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Radiation intensity in a given direction is the None of these Power radiated per square metre Energy radiated per square metre Power radiated per unit solid angle in that direction None of these Power radiated per square metre Energy radiated per square metre Power radiated per unit solid angle in that direction ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A magnetic field B = 5 × 10-2 uz T exerts a force on 0.02 m conductor along the x-axis. The conductor carried a current of 5 mA in the – ux direction. What force must be applied to the conductor to hold it in position - 5 × 10-5 uy N. 5 × 10-5 uy N. 5 × 10-5 uz N. 5 × 10-5 ux N. - 5 × 10-5 uy N. 5 × 10-5 uy N. 5 × 10-5 uz N. 5 × 10-5 ux N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The operation of electric generators and motors depend on the intraction between magnetic field and Electric fields. Electric current. Commutator. Copper conductors. Electric fields. Electric current. Commutator. Copper conductors. ANSWER DOWNLOAD EXAMIANS APP
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