Electric Circuits Which of the following may be the value of resistivity of copper at absolute zero in ohm-metre? 0.020. 3.12. 1.56. 6.24. 0.020. 3.12. 1.56. 6.24. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A circuit contains two unequal resistor in parallel heat losses in both are same. voltage drops are according to their resistive value. voltage drops across both are same. currents in both are same. heat losses in both are same. voltage drops are according to their resistive value. voltage drops across both are same. currents in both are same. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Three resistances have the following ratings 150 Ω at 5 %, 100 Ω at 5 % and 200 Ω at 5 % respectively. The percentage error when all the three are connected in series will be + 6 %. + 8 %. + 7 %. + 5 %. + 6 %. + 8 %. + 7 %. + 5 %. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If the length of a wire of resistance R is uniformly stretched to n times its original value, what will be its new resistance R / n2. nR . n2 / R. n2R. R / n2. nR . n2 / R. n2R. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The resistivity of semi-conductors at room temperatures is 109 to 1012 ohm - cm. 1000 to 1500 ohm - cm. 0.01 to 50 ohm - cm. 1.6 × 106 to 100 × 106 ohm - cm. 109 to 1012 ohm - cm. 1000 to 1500 ohm - cm. 0.01 to 50 ohm - cm. 1.6 × 106 to 100 × 106 ohm - cm. ANSWER DOWNLOAD EXAMIANS APP
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