Electromagnetic Field Theory A medium is said to be isotropic when ∈ = μσ. ∈ is a scalar constant. ∈ is zero. ∈ = μ. ∈ = μσ. ∈ is a scalar constant. ∈ is zero. ∈ = μ. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The electrical field strength at a distance point A due to a point charge +q, located at the origin, is 100 µl v/m. If the point charge is now enclosed by a perfectly conducting metal sheet sphere whose centre is at origin, A, outside the sphere, becomes 100 μ v/m. - 100 μ v/m. 0. None of above. 100 μ v/m. - 100 μ v/m. 0. None of above. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following is multiband HF receiving antenna? Conical horn Square loop Folded dipole Log-periodic Conical horn Square loop Folded dipole Log-periodic ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetic field intensity at centre of circular coil, of diameter 1 m and carrying a current of 2 A is 4 A/m. 2 A/m. 8 A/m. 1 A/m. 4 A/m. 2 A/m. 8 A/m. 1 A/m. 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 1 V. 2 V. √ 2 V. Zero. 1 V. 2 V. √ 2 V. Zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Fleming's right hand rule may be applied to an electric generator to find out the direction of magnetic field. None of these induced emf. rotor rotation. magnetic field. None of these induced emf. rotor rotation. ANSWER DOWNLOAD EXAMIANS APP