Current Electricity Sparking occurs when a load is switched off because the circuit has high Inductance Resistance Capacitance Impedance Inductance Resistance Capacitance Impedance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The hot resistance of the bulb's filament is higher than its cold resistance because the temperature coefficient of the filament is About 2 ohms per degree Zero Positive Negative About 2 ohms per degree Zero Positive Negative ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of a tungsten lamp _____ as applied voltage increases. None of the listed here Decreases Increases Remains same None of the listed here Decreases Increases Remains same ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of conductor varies inversely as Temperature Resistivity Length Area of cross-section Temperature Resistivity Length Area of cross-section 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 0.4% 0.2% 0.3% None of the listed here 0.4% 0.2% 0.3% None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of two wires is 25 Ω when connected in series and 6 Ω when joined in parallel. The resistance of each wire is 10 Ω, 20 Ω 20 Ω, 30 Ω 10 Ω, 15 Ω 5 Ω, 10 Ω 10 Ω, 20 Ω 20 Ω, 30 Ω 10 Ω, 15 Ω 5 Ω, 10 Ω ANSWER DOWNLOAD EXAMIANS APP
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