Electromagnetic Field Theory In a lossless medium the intrinsic impedance η = 60π and μr = 1. The relative dielectric constant εr shall be 8. 1. 2. 4. 8. 1. 2. 4. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Electric field intensity (E) at ant point in an electric field is equal to potential gradient. (potential gradient)1/2. (potential gradient)1/3. (potential gradient)2. potential gradient. (potential gradient)1/2. (potential gradient)1/3. (potential gradient)2. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two point charges (Q and – Q) are situated at the vertex of the square. If potential at another vertex is 2 V, so potential at opposite vertex (diagonally) is √ 2 V. 1 V. 2 V. Zero. √ 2 V. 1 V. 2 V. Zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Conductor is varying and field is fixed then emf will be induced. This principle is called both A and B. dynamically induced emf. static induced emf. None of these both A and B. dynamically induced emf. static induced emf. None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Ohm’s law in point from field theory can be expressed as J = σE. R = ρ × ( l / A). J = E / σ. V = IR. J = σE. R = ρ × ( l / A). J = E / σ. V = IR. 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 2 N. 2.5 N. 3.75 N. 5 N. 2 N. 2.5 N. 3.75 N. 5 N. ANSWER DOWNLOAD EXAMIANS APP
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