Current Electricity The resistance of conductor varies inversely as Area of cross-section Resistivity Length Temperature Area of cross-section Resistivity Length Temperature ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The insulation on a current carrying conductor is provided To prevent shock Both of the listed here None of above factors To prevent leakage of current To prevent shock Both of the listed here None of above factors To prevent leakage of current 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 Positive Negative Zero About 2 ohms per degree Positive Negative Zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Insulators have _______ temperature co-efficient of resistance. Positive Negative None of the listed here Zero Positive Negative None of the listed here Zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of a material always decreases if None of these Number of free electrons available becomes more Temperature of material is increased Temperature of material is decreased None of these Number of free electrons available becomes more Temperature of material is increased Temperature of material is decreased ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Specific resistance of a substance is measured in Ω/m None of the listed here Ω-m m/Ω Ω/m None of the listed here Ω-m m/Ω ANSWER DOWNLOAD EXAMIANS APP
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