Current Electricity Which of the following is the best conductor of electricity? Silver Zinc Gold Copper Silver Zinc Gold Copper ANSWER DOWNLOAD EXAMIANS APP
Current Electricity All good conductors have high Thermal conductivity Resistance Reluctance Conductance Thermal conductivity Resistance Reluctance Conductance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A wire having very high value of conductance is said to be None of the listed here Insulator Very good conductor Moderately good conductor None of the listed here Insulator Very good conductor Moderately good conductor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of a carbon filament lamp _______ as the applied voltage increases. Remains same None of the listed here Decreases Increases Remains same None of the listed here Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The example of non-ohmic resistance is tungsten wire Copper wire Aluminium wire Carbon resistance tungsten wire Copper wire Aluminium wire Carbon resistance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a copper wire 200 m long is 21 ω. If its thickness (diameter) is 0.44 mm, its specific resistance is around 1.4 x 10-8 ω-m 1.6 x 10-8 ω-m 1.2 x 10-8 ω-m 1.8 x 10-8 ω-m 1.4 x 10-8 ω-m 1.6 x 10-8 ω-m 1.2 x 10-8 ω-m 1.8 x 10-8 ω-m ANSWER DOWNLOAD EXAMIANS APP
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