Electromagnetic Field Theory A point pole has a strength of 4π × 10-4 weber. The force in newtons on a point pole of 4π × 1.5 × 10-4 weber placed at a distance of 10 cm from it will be 20 N. 15 N. 7.5 N. 3.75 N. 20 N. 15 N. 7.5 N. 3.75 N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A fan blade of length 2R rotates in a time period T in a magnetic field B. The induced voltage in the blade is proportional to R2B / T. 2RBT. RBT. R2BT. R2B / T. 2RBT. RBT. R2BT. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The right hand rule for determining the direction of the induced EMF was introduced by Faraday Fleming Lenz Maxwell Faraday Fleming Lenz Maxwell 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 None of these induced emf. magnetic field. rotor rotation. None of these induced emf. magnetic field. rotor rotation. 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 × H). q(H + V × E). q(E + V × B). q(E + B × V). q(E +V × H). q(H + V × E). q(E + V × B). q(E + B × V). ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory What is the unit of magnetic charge Ampere-meter square. Coulomb. Ampere meter. Ampere. Ampere-meter square. Coulomb. Ampere meter. Ampere. ANSWER DOWNLOAD EXAMIANS APP