Electromagnetic Field Theory The virtual height of an ionospheric layer is __________ true height Higher than No relation Less than Equal to Higher than No relation Less than Equal to ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The tubes of force within the magnetic material are known as magnetic flux. none of them. lines of force. tubes of indication. magnetic flux. none of them. lines of force. tubes of indication. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In H-plane metal plate lens the travelling wave front is Neither accelerated nor retarded Accelerated Retarded Totally retarded Neither accelerated nor retarded Accelerated Retarded Totally retarded ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Ohm’s law in point from field theory can be expressed as J = E / σ. R = ρ × ( l / A). V = IR. J = σE. J = E / σ. R = ρ × ( l / A). V = IR. J = σE. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Cork Screw rule is used to find direction of magnetic field. direction of electric field. direction of current. direction of emf. direction of magnetic field. direction of electric field. direction of current. direction of emf. 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? 2.5 mA. 1mA. 1.5 mA. 2 mA. 2.5 mA. 1mA. 1.5 mA. 2 mA. ANSWER DOWNLOAD EXAMIANS APP