Current Electricity An electric filament bulb can be worked from All of the listed here AC supply only DC supply only Battery supply only All of the listed here AC supply only DC supply only Battery supply only ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Semiconductors have _______temperature co-efficient of resistance. Zero None of the listed here Negative Positive Zero None of the listed here Negative Positive ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In a lamp load when more than one lamp are switched on the total resistance of the load Decreases Increases Remains same None of these Decreases Increases Remains same None of these ANSWER DOWNLOAD EXAMIANS APP
Current Electricity An electrical lamp coonsumes 100 W of power. If the supply voltage is 220 V the energy consumed in 30 minutes is 5 kWh 5 kWh 0.005 kWh 0.05 kWh 5 kWh 5 kWh 0.005 kWh 0.05 kWh ANSWER DOWNLOAD EXAMIANS APP
Current Electricity International ohm is defined in terms of the resistance of A cube of carbon The unit length of wire A column of mercury A cube of copper A cube of carbon The unit length of wire A column of mercury A cube of copper 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 Positive Zero Negative None of the listed here Positive Zero Negative None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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