Electric Circuits The resistivity of semi-conductors at room temperatures is 0.01 to 50 ohm - cm. 109 to 1012 ohm - cm. 1.6 × 106 to 100 × 106 ohm - cm. 1000 to 1500 ohm - cm. 0.01 to 50 ohm - cm. 109 to 1012 ohm - cm. 1.6 × 106 to 100 × 106 ohm - cm. 1000 to 1500 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 L is 45.5 V. 39.1 V. 50.5 V. 31.9 V. 45.5 V. 39.1 V. 50.5 V. 31.9 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The breakdown voltage for paper capacitor is usually more than 10000 volts. 20 to 60 volts. 200 to 1600 volts. 2000 to 3000 volts. more than 10000 volts. 20 to 60 volts. 200 to 1600 volts. 2000 to 3000 volts. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An electric field line and an equipotential surface are always perpendicular. inclined at any angle. none of above. always parallel. always perpendicular. inclined at any angle. none of above. always parallel. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The common voltage across parallel branches with different voltage sources can be determined by the relation V = (V1 / R1 + V2 / R2 + V3 / R3) / (1 / R1 + 1 / R2 +1 / R3 .....) The statement is associated with which theorem? Norton’s theorem. Superposition theorem. Millman’s theorem. Thevenin’s theorem. Norton’s theorem. Superposition theorem. Millman’s theorem. Thevenin’s theorem. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For same voltage, the ratio resistance of 100 W lamp to resistance of 25 W lamp is 4. 1. 1/4. 16. 4. 1. 1/4. 16. ANSWER DOWNLOAD EXAMIANS APP