Current Electricity Which of the following is the best material for making connecting wires? Constant Nichrome Copper Manganin Constant Nichrome Copper Manganin ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The hot resistance of the bulb's filament is higher than its cold resistance because the temperature coefficient of the filament is About 2 ohms per degree Positive Zero Negative About 2 ohms per degree Positive Zero Negative ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Specific resistance of a substance is measured in Ω/m m/Ω Ω-m None of the listed here Ω/m m/Ω Ω-m None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electric current passing through the circuit produces Magnetic effect Chemical effect Thermal effect Luminous effect Magnetic effect Chemical effect Thermal effect Luminous effect ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Ohm's law is not applicable to Dc circuits High currents Small resistors Semi-conductors Dc circuits High currents Small resistors Semi-conductors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following is the best conductor of electricity? Silver Gold Zinc Copper Silver Gold Zinc Copper ANSWER DOWNLOAD EXAMIANS APP
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