Electromagnetic Field Theory A plane wave magnetic field is represented by Bx = cos(y – ct). The electric and magnetic fields will be zero in the direction Ey = Ez = 0, By = Bz = 0. None of these. Ex = Ey = 0, By = Bz = 0. Ex = Ey = 0, Bx = By = 0. Ey = Ez = 0, By = Bz = 0. None of these. Ex = Ey = 0, By = Bz = 0. Ex = Ey = 0, Bx = By = 0. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory What is the value of magnetic vector potential due to an infinitesimally small current element, evaluated at infinite distance from it? Unity. Zero. Infinity. Depends on strength of current element. Unity. Zero. Infinity. Depends on strength of current element. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnitude of force acting on a current carrying conductor placed in a magnetic field is independent of flux density. length of conductor. current flowing through the conductor. cross-sectional area of conductor. flux density. length of conductor. current flowing through the conductor. cross-sectional area of conductor. 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. √ 2 V. 1 V. 2 V. Zero. √ 2 V. 1 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A potential field is given by V = 3x2 y – yz. The electric field at P(2, -1, 4) is 12 Ix + 8 Iy + Iz V/m. 12 Ix - Iz V/m. 12 Ix - 8 Iy - Iz V/m. 12 Ix - 8 Iy V/m. 12 Ix + 8 Iy + Iz V/m. 12 Ix - Iz V/m. 12 Ix - 8 Iy - Iz V/m. 12 Ix - 8 Iy V/m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A sphere of radius with a uniform charge density ρv C/m3 shall have electric flux density at radius “r = a” equal to aρv C/m2. ρv/3 C/m2. aρv/4 C/m2. aρv/3 C/m2. aρv C/m2. ρv/3 C/m2. aρv/4 C/m2. aρv/3 C/m2. ANSWER DOWNLOAD EXAMIANS APP
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