Current Electricity Constantan wire is used for making starndard resistance because it has Low specific resistance Negligibly small temperature co-efficient of resistance High melting point High specific resistance Low specific resistance Negligibly small temperature co-efficient of resistance High melting point High specific resistance 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 0.6 1 1.5 0.5 0.6 1 1.5 0.5 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of 220 V, 100 W lamp will be 484 ft 4840 Q 4.84 Q 48.4 Q 484 ft 4840 Q 4.84 Q 48.4 Q ANSWER DOWNLOAD EXAMIANS APP
Current Electricity All good conductors have high Reluctance Resistance Conductance Thermal conductivity Reluctance Resistance Conductance Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a straight conductor is independent of Temperature Cross-sectional area Shape of cross-section Material Temperature Cross-sectional area Shape of cross-section Material ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following is the best conductor of electricity? Copper Silver Zinc Gold Copper Silver Zinc Gold ANSWER DOWNLOAD EXAMIANS APP
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