Electric Circuits The coils having self inductor of 10 mH and 15 mH have an effective inductor of 40 mH, when connected in series aiding. What will be the equivalent inductor if we connect them in series opposing 5 mH. 10 mH. 20 mH. 0 mH. 5 mH. 10 mH. 20 mH. 0 mH. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A conductor of length l meters moves at right angles to a uniform magnetic field of flux density B = 1.5 T. if the velocity of revolution of the conductor is 50 ms-1 then induced e.m.f. in the conductor is 75 V. 0 V. 125 V. 100 V. 75 V. 0 V. 125 V. 100 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Aluminium is produced from bauxite by rotating. electrolytic process. froth flotation. oxidation. rotating. electrolytic process. froth flotation. oxidation. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A coil with negligible resistance has 50 V across it with 10 mA. The inductive reactance is 50 ohms. 1000 ohms. 500 ohms. 5000 ohms. 50 ohms. 1000 ohms. 500 ohms. 5000 ohms. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A wire of 0.14 mm diameter and specific resistance 9.6 Ω - cm is 440 cm long. The resistance of the wire will be 27.4 Ω. 11.3 Ω. 9.6 Ω. 13.7 Ω. 27.4 Ω. 11.3 Ω. 9.6 Ω. 13.7 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A delta connection contains three equal impedance of 60 Ω. The impedance of the equivalent star connection for each star load will be 20 Ω. 30 Ω. 15 Ω. 40 Ω. 20 Ω. 30 Ω. 15 Ω. 40 Ω. ANSWER DOWNLOAD EXAMIANS APP
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