Electromagnetic Field Theory A medium is said to be isotropic when ∈ is a scalar constant. ∈ = μ. ∈ is zero. ∈ = μσ. ∈ is a scalar constant. ∈ = μ. ∈ is zero. ∈ = μσ. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory How much current must flow in a loop of radius 1m to produce a magnetic field of 1 mA/m? 1mA. 1.5 mA. 2.5 mA. 2 mA. 1mA. 1.5 mA. 2.5 mA. 2 mA. ANSWER DOWNLOAD EXAMIANS APP
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, Bx = By = 0. Ex = Ey = 0, By = Bz = 0. Ey = Ez = 0, By = Bz = 0. None of these. Ex = Ey = 0, Bx = By = 0. Ex = Ey = 0, By = Bz = 0. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following is multiband HF receiving antenna? Log-periodic Folded dipole Conical horn Square loop Log-periodic Folded dipole Conical horn Square loop ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If E is the electric field intensity, then what is the value of divergence of (curl of E)? Null vector. Zero. E. | E |. Null vector. Zero. E. | E |. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The useful magnetic flux obtainable from any closed surface is Both A and B Constant None of these Unity Both A and B Constant None of these Unity ANSWER DOWNLOAD EXAMIANS APP
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