Current Electricity A light bulb draws 300 mA when the voltage across it is 240 V. The resistance of the light bulb is 800 Ω 600 Ω 1000 Ω 400 Ω 800 Ω 600 Ω 1000 Ω 400 Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The hot wire of electric bulb's filament is higher than its cold resistance because the temperature co-efficient of filament is Negative None of the listed here Zero Positive Negative None of the listed here Zero Positive ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following is the best conductor of electricity? Copper Gold Silver Zinc Copper Gold Silver Zinc ANSWER DOWNLOAD EXAMIANS APP
Current Electricity For which of the following 'ampere second' could be the unit? Reluctance Power Energy Charge Reluctance Power Energy Charge ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With three resistances connected in parallel, if each dissipates 20 W the total power supplied by the voltage source equals 10 W 60 W 20 W 40 W 10 W 60 W 20 W 40 W ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Eureka has _______ temperature co-efficient of resistance. None of the listed here Positive Almost zero Negative None of the listed here Positive Almost zero Negative ANSWER DOWNLOAD EXAMIANS APP
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