Current Electricity All good conductors have high Resistance Conductance Reluctance Thermal conductivity Resistance Conductance Reluctance Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electrical current is due to the flow of Both positive and negative charges Positive charges only Neutral particles only Negative charges only Both positive and negative charges Positive charges only Neutral particles only Negative charges only ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The substances which have a large number of free electrons and offer a low resistance are called Insulators Semi-conductors Conductors Inductors Insulators Semi-conductors Conductors Inductors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of conductor varies inversely as Length Temperature Resistivity Area of cross-section Length Temperature Resistivity Area of cross-section 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 Negative Positive About 2 ohms per degree Zero Negative Positive 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 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 10 Ω, 20 Ω ANSWER DOWNLOAD EXAMIANS APP
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