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 10 mH. 0 mH. 5 mH. 20 mH. 10 mH. 0 mH. 5 mH. 20 mH. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Average power taken by the pure capacitor is Minimum Zero Maximum Any of the above Minimum Zero Maximum Any of the above ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If the practical units of voltage and current wave each made 20 times as large as they are at present, what would be the consequent alternation in the size of the unit of capacitance? 200 times. 60 times. 20 times. Nil. 200 times. 60 times. 20 times. Nil. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a 3 - φ delta connection, two-wattmeter method is used to measure the power; if the two watt meters read 28.13 kW and 13.31 kW, the power factor of connection will be 0.6. 0.9. 0.85. 0.4. 0.6. 0.9. 0.85. 0.4. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The hot resistance of a tungsten lamp is about 10 times the cold resistance. Accordingly, cold resistance of a 100 W, 200 V lamp will be 800 Ω. 4 Ω. 40 Ω. 400 Ω. 800 Ω. 4 Ω. 40 Ω. 400 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits There are two capacitors C1 and C2 in parallel , what will be their equivalent capacitance? (C1 + C2) / C1C2. (C1C2) / C1 + C2. C1 + C2. C1C2. (C1 + C2) / C1C2. (C1C2) / C1 + C2. C1 + C2. C1C2. ANSWER DOWNLOAD EXAMIANS APP
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