Electric Circuits The resistivity of semi-conductors at room temperatures is 0.01 to 50 ohm - cm. 1.6 × 106 to 100 × 106 ohm - cm. 1000 to 1500 ohm - cm. 109 to 1012 ohm - cm. 0.01 to 50 ohm - cm. 1.6 × 106 to 100 × 106 ohm - cm. 1000 to 1500 ohm - cm. 109 to 1012 ohm - cm. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A series circuit consists of R = 20 Ω, L = 20 mH, and AC supply 60 V with f = 100 Hz. The voltage drop across R is 24.4 V . 40.8 V. 30.6 V. 50.8 V. 24.4 V . 40.8 V. 30.6 V. 50.8 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Current efficiency in electroplating is usually 70 to 80 %. 90 to 98 %. 99 %. 50 to 60 %. 70 to 80 %. 90 to 98 %. 99 %. 50 to 60 %. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When power factor angle is constant, then shape of the current locus is circle. triangle. semi circle. straight line. circle. triangle. semi circle. straight line. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The inductive reactance of an electric circuit is 200 Ohms. The frequency of supply becomes doubled. What is the new capacitive reactance? 50 Ohms. 200 Ohms. 100 Ohms. 400 Ohms. 50 Ohms. 200 Ohms. 100 Ohms. 400 Ohms. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If the dielectric of a capacitor is replaced by conducting material the plate will get short circuited. the capacitor can store infinite charge. the capacitance value of the plate will decrease. the capacitor will get heated up due to eddy currents. the plate will get short circuited. the capacitor can store infinite charge. the capacitance value of the plate will decrease. the capacitor will get heated up due to eddy currents. ANSWER DOWNLOAD EXAMIANS APP
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