Current Electricity Which of the following is the best conductor of electricity? Silver Copper Zinc Gold Silver Copper Zinc Gold ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of a material always decreases if None of these Temperature of material is decreased Temperature of material is increased Number of free electrons available becomes more None of these Temperature of material is decreased Temperature of material is increased Number of free electrons available becomes more ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Nichrome wire is an alloy of Nickel and chromium Lead and zinc Chromium and vanadium Copper and silver Nickel and chromium Lead and zinc Chromium and vanadium Copper and silver ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A closed switch has a resistance of About 500 ohms About 50 ohms Infinity Zero About 500 ohms About 50 ohms Infinity Zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a straight conductor is independent of Shape of cross-section Material Temperature Cross-sectional area Shape of cross-section Material Temperature Cross-sectional area ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The weight of an aluminium conductor as compared to a copper conductor of identical cross-section, for the same electrical resistance, is 0.5 0.6 1 1.5 0.5 0.6 1 1.5 ANSWER DOWNLOAD EXAMIANS APP
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