Electromagnetic Field Theory An electric field on a place described by its potential V = 20 (r -1 + r-2) where r is the distance from the source. The field is due to A quardra pole. A dipole. A monopole. Both of A and B. A quardra pole. A dipole. A monopole. Both of A and B. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The critical frequency of ‘F’ layer is greater than 30 MHz. False True False True 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 RBT. R2BT. 2RBT. R2B / T. RBT. R2BT. 2RBT. R2B / T. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A pure inductor when connected across 220 V, 50 Hz supply consumes 100 W. From the above statement it can be concluded that the inductor has ferrite core. the inductor is non linear. the above statement is false. the inductor is made of thin wire. the inductor has ferrite core. the inductor is non linear. the above statement is false. the inductor is made of thin wire. 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(H + V × E). q(E + B × V). q(E +V × H). q(E + V × B). q(H + V × E). q(E + B × V). q(E +V × H). q(E + V × B). ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An electric field of 1.92 × 103 N/C is maintained across two plates separated by 0.015 m. Potential difference across plates will be 14.40 V. 28.8 V. 1.4 V. 2.88 V. 14.40 V. 28.8 V. 1.4 V. 2.88 V. ANSWER DOWNLOAD EXAMIANS APP
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