Electromagnetic Field Theory The coils having self inductance of 10 mH and 15 mH have an effective inductance of 40 mH, when connected in series aiding. What will be the equivalent inductance if we connect then in series opposing? 10 mH. 20 mH. 0 mH. 5 mH. 10 mH. 20 mH. 0 mH. 5 mH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The field at any point on the axis of a current carrying coil will be perpendicular to the axis. parallel to axis. at angle of 45° with the axis. zero. perpendicular to the axis. parallel to axis. at angle of 45° with the axis. zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The attenuation in waveguide above to cut off frequency Very high Infinite Very low Zero Very high Infinite Very low Zero ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Electric field intensity (E) at ant point in an electric field is equal to potential gradient. (potential gradient)2. (potential gradient)1/2. (potential gradient)1/3. potential gradient. (potential gradient)2. (potential gradient)1/2. (potential gradient)1/3. 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 1.4 V. 28.8 V. 2.88 V. 14.40 V. 1.4 V. 28.8 V. 2.88 V. 14.40 V. ANSWER DOWNLOAD EXAMIANS APP
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 Both of A and B. A dipole. A quardra pole. A monopole. Both of A and B. A dipole. A quardra pole. A monopole. ANSWER DOWNLOAD EXAMIANS APP