Current Electricity The hot wire of electric bulb's filament is higher than its cold resistance because the temperature co-efficient of filament is Positive None of the listed here Zero Negative Positive None of the listed here Zero Negative ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following quantities remain the same in all parts of a series circuit? Current Resistance Voltage Power Current Resistance Voltage Power ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The electrical energy required to heat a bucket of water to a certain temperature is 4 kWh. If the heat losses are 20 percent, the energy input is 2 kWh 3.2 kWh 6 kWh 5 kWh 2 kWh 3.2 kWh 6 kWh 5 kWh ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The specific resistance of a metallic conductor ______ with rise in temperature. Increases Decreases Remains unchanged None of the listed here Increases Decreases Remains unchanged None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following material has nearly zero temperature co-efficient of resistance? Manganin Copper Porcelain Carbon Manganin Copper Porcelain Carbon ANSWER DOWNLOAD EXAMIANS APP
Current Electricity No current flow between two charged bodies if they have same Capacity Charge Potential None of the listed here Capacity Charge Potential None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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