Electric Circuits Resistance of which material does not change with change in temperature? Metal alloys constantan and manganin. Brass. Tungsten. Platinum. Metal alloys constantan and manganin. Brass. Tungsten. Platinum. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A piece of copper and another piece of germanium are cooled from room temperature to 80K. The resistance of each of them decreases. copper increases and germanium decreases. copper decreases and germanium increases. each of them increases. each of them decreases. copper increases and germanium decreases. copper decreases and germanium increases. each of them increases. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Capacitors for P.f correction are rated in KW. KV. KVAR. KVA. KW. KV. KVAR. KVA. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Disadvantages of constant k type filter none of these. characteristic impedance unchanged in pass band. attenuation does not increase rapidly beyond cut off frequency. both A and B. none of these. characteristic impedance unchanged in pass band. attenuation does not increase rapidly beyond cut off frequency. both A and B. ANSWER DOWNLOAD EXAMIANS APP
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. 20 mH. 0 mH. 5 mH. 10 mH. 20 mH. 0 mH. 5 mH. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 35 V source is connected to a series circuit of 600 Ω and R as shown. If a voltmeter of internal resistance 1.2 kΩ is connected across 600 Ω resistor, it reads 5 V. The value of R is 7.2 k Ω. 1.2 k Ω. 3.6 k Ω. 2.4 k Ω. 7.2 k Ω. 1.2 k Ω. 3.6 k Ω. 2.4 k Ω. ANSWER DOWNLOAD EXAMIANS APP
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