Electromagnetic Field Theory The radiation pattern of a parabola antenna is Omnidirectional Highly directional A figure of directional None of these Omnidirectional Highly directional A figure of directional None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A rectangular loop in the x – z plane bounded by the lines x = 0, x = a, z = 0 and z = b is in a time varying magnetic field is given by B = B0 cosωt + ay. Where B0 is constant, ω is angular frequency and ay unit vector in the y direction. Now the emf induced in the loop is given by ab Bo cosω t. Zero. Bo ω sinω t. abω Bo sinω t. ab Bo cosω t. Zero. Bo ω sinω t. abω Bo sinω t. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory ________ at a point is defined as the force experienced per unit positive charge at a point placed in the electric field. Magnetic flux density. Electric intensity. Electric flux. None of these Magnetic flux density. Electric intensity. Electric flux. None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An insulated metal sphere of 20 cm diameter is charged by rubbing with charges 2 × 10-8 C. Potential developed will be 1800 V. 200 V. 900 V. 0 V. 1800 V. 200 V. 900 V. 0 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The force on a charge moving with velocity v under the influence of electric and magnetic fields is given by which one of the following q(E + V × B). q(H + V × E). q(E +V × H). q(E + B × V). q(E + V × B). q(H + V × E). q(E +V × H). q(E + B × V). ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A conductor of length L has current I passing through it, when it is placed parallel to strong magnetic field. The force experienced by the conductor will be BL2I. zero. BIL. BI2L. BL2I. zero. BIL. BI2L. ANSWER DOWNLOAD EXAMIANS APP