Current Electricity A closed switch has a resistance of Infinity About 500 ohms About 50 ohms Zero Infinity About 500 ohms About 50 ohms Zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a straight conductor is independent of Cross-sectional area Temperature Material Shape of cross-section Cross-sectional area Temperature Material Shape of cross-section ANSWER DOWNLOAD EXAMIANS APP
Current Electricity All of the following are equivalent to watt except (Amperes) ohm Amperes × volts Amperes/volt Joules/sec. (Amperes) ohm Amperes × volts Amperes/volt Joules/sec. ANSWER DOWNLOAD EXAMIANS APP
Current Electricity SI unit of power is Coulomb Watt-hour Watt Henry Coulomb Watt-hour Watt Henry ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A copper wire is stretched so that its length is increased by 0.1 % . The change in its resistance is 0.3% None of the listed here 0.4% 0.2% 0.3% None of the listed here 0.4% 0.2% ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In which of the following substances the resistance decreases with increase in temperature? Carbon Constantan Silver Copper Carbon Constantan Silver Copper ANSWER DOWNLOAD EXAMIANS APP
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