Current Electricity Resistance of a tungsten lamp _____ as applied voltage increases. Increases Decreases None of the listed here Remains same Increases Decreases None of the listed here Remains same ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Insulators have _______ temperature co-efficient of resistance. Zero Positive None of the listed here Negative Zero Positive None of the listed here Negative ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following material has nearly zero temperature co-efficient of resistance? Copper Porcelain Manganin Carbon Copper Porcelain Manganin Carbon ANSWER DOWNLOAD EXAMIANS APP
Current Electricity One Newton meter is same as One joule second One watt Five joules One joule One joule second One watt Five joules One joule ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A resistance having rating 10 ohms , 10 W is likely to be a Metallic resistor Wire wound resistor Carbon resistor Variable resistor Metallic resistor Wire wound resistor Carbon resistor Variable resistor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A closed switch has a resistance of About 50 ohms About 500 ohms Infinity Zero About 50 ohms About 500 ohms Infinity Zero ANSWER DOWNLOAD EXAMIANS APP