Electromagnetic Field Theory Ohm’s law in point from field theory can be expressed as R = ρ × ( l / A). V = IR. J = E / σ. J = σE. R = ρ × ( l / A). V = IR. J = E / σ. J = σE. 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. pulsating. none of these. steady. alternating. pulsating. none of these. steady. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The static electric field in a conductor is None of these Unity Infinity Zero None of these Unity Infinity Zero ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The wave in wave guide has Larger frequency than in the free space Group velocity inversely proportional to wavelength Diminishing wavelength than in the free space Larger wavelength than in the free space Larger frequency than in the free space Group velocity inversely proportional to wavelength Diminishing wavelength than in the free space Larger wavelength than in the free space ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A wire 1 m long carries a current of 5A and is at an angle of 30o with B = 1.5 wb/m2. Magnitude of force is 5 N. 3.75 N. 2.5 N. 2 N. 5 N. 3.75 N. 2.5 N. 2 N. 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 24 joules. 12 joules. 15 joules. 30 joules. 24 joules. 12 joules. 15 joules. 30 joules. ANSWER DOWNLOAD EXAMIANS APP
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