Electromagnetic Field Theory For a line characteristic impedance zo terminated is load zo/3, the reflection coefficient is 2/3. 1/3. – ½. – 1/3. 2/3. 1/3. – ½. – 1/3. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When a wave is incident from the more dense into a less dense medium at an angle equal to or exceeding the critical angle, the wave suffers total internal __________ . Reflection Transmission None of these Refraction Reflection Transmission None of these Refraction ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Ohm’s law in point from field theory can be expressed as J = E / σ. J = σE. V = IR. R = ρ × ( l / A). J = E / σ. J = σE. V = IR. R = ρ × ( l / A). ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A copper disc is rotated rapidly below a freely suspended magnetic needle. The magnetic needle starts rotating with velocity equal to that of disc and in the same direction. less than that of disc and in the same direction. equal to that of disc and in the opposite direction. less than that of disc but in opposite direction. equal to that of disc and in the same direction. less than that of disc and in the same direction. equal to that of disc and in the opposite direction. less than that of disc but in opposite direction. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Find the length of a conductor which is moving with a velocity 0.4m/s in a magnetic field of 8T, inducing an emf of 20V. 0.6m. 6.25m. 0.5m. 5.25m. 0.6m. 6.25m. 0.5m. 5.25m. 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. Zero. 1 V. 2 V. √ 2 V. Zero. 1 V. 2 V. ANSWER DOWNLOAD EXAMIANS APP