Current Electricity Which of the following material has nearly zero temperature co-efficient of resistance? Porcelain Copper Carbon Manganin Porcelain Copper Carbon Manganin ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Three resistance of 10 ohms, 15 ohms, and 30 ohm are connected in parallel. The total resistance of the combination is 10 ohms 55 ohms 5 ohms 15 ohms 10 ohms 55 ohms 5 ohms 15 ohms ANSWER DOWNLOAD EXAMIANS APP
Current Electricity For testing appliances, the wattage of test lamp should be Very low Low High Any value Very low Low High Any value ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Constantan wire is used for making starndard resistance because it has Low specific resistance Negligibly small temperature co-efficient of resistance High specific resistance High melting point Low specific resistance Negligibly small temperature co-efficient of resistance High specific resistance High melting point ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following is the best conductor of electricity? Zinc Copper Gold Silver Zinc Copper Gold Silver ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In a series circuit with unequal resistances The lowest resistance has the highest current The highest resistance has the highest voltage drop The highest resistance has the most of the current through it The lowest resistance has the highest voltage drop The lowest resistance has the highest current The highest resistance has the highest voltage drop The highest resistance has the most of the current through it The lowest resistance has the highest voltage drop ANSWER DOWNLOAD EXAMIANS APP