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. 0 mH. 5 mH. 20 mH. 10 mH. 0 mH. 5 mH. 20 mH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In an iron core coil the iron core is removed so that the coil becomes an air core coil. The inductance of the coil will remain the same. increase. initially increase and then decrease. decrease. remain the same. increase. initially increase and then decrease. decrease. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A magnetic circuit requires 800 AT to produce a certain quantity of flux in a magnetic circuit. If its excitation coil has 100 turns and 5 Ohm resistance, the voltage to be applied in exciting coil is 80 V. 8 V. 60 V. 40 V. 80 V. 8 V. 60 V. 40 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Biot-Savarts law states the relation between magnetic intensity and filament current only. volume current only. surface current only. (A), (B), and (D) are all correct. filament current only. volume current only. surface current only. (A), (B), and (D) are all correct. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory MUF is depend upon Electron density of the ionospheric layer 11 year sun spot cycle Height of ionospheric layer Received frequency by receiver Electron density of the ionospheric layer 11 year sun spot cycle Height of ionospheric layer Received frequency by receiver ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The inductance of a long solenoid of length 1000 mm wound uniformly with 3000 turns on a cylindrical paper cable of 60 mm diameter is 32 mH. 3.2 mH. 3.2 H. 3.2 µH. 32 mH. 3.2 mH. 3.2 H. 3.2 µH. ANSWER DOWNLOAD EXAMIANS APP
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