Current Electricity Which of the following material has nearly zero temperature co-efficient of resistance? Carbon Manganin Copper Porcelain Carbon Manganin Copper Porcelain ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A light bulb draws 300 mA when the voltage across it is 240 V. The resistance of the light bulb is 600 Ω 400 Ω 1000 Ω 800 Ω 600 Ω 400 Ω 1000 Ω 800 Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Three identical resistors are first connected in parallel and then in series. The resultant resistance of the first combination to the second will be 1/9 times 1/3 times 3 times 9 times 1/9 times 1/3 times 3 times 9 times ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The example of non-ohmic resistance is Carbon resistance Aluminium wire Copper wire tungsten wire Carbon resistance Aluminium wire Copper wire tungsten wire ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A wire having very high value of conductance is said to be Very good conductor Insulator Moderately good conductor None of the listed here Very good conductor Insulator Moderately good conductor None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The rating of a fuse wire is always expressed in Amperes Ampere-volts kWh Ampere-hours Amperes Ampere-volts kWh Ampere-hours ANSWER DOWNLOAD EXAMIANS APP