Current Electricity Three 60 W bulbs are in parallel across the 60 V power line. If one bulb burns open The other two bulbs will light There will be heavy current in the main line Rest of the two bulbs will not light All three bulbs will light The other two bulbs will light There will be heavy current in the main line Rest of the two bulbs will not light All three bulbs will light ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Out of the following which is not a poor conductor? Cast iron Carbon Tungsten Copper Cast iron Carbon Tungsten Copper ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In an electric kettle water boils in 10 m minutes. It is required to boil the boiler in 15 minutes, using same supply mains Length of heating element should be increased Length of heating element has no effect on heating if water Length of heating element should be decreased None of these Length of heating element should be increased Length of heating element has no effect on heating if water Length of heating element should be decreased None of these ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A 40 W bulb is connected in series with a room heater. If now 40 W bulb is replaced by 100 W bulb, the heater output will Increases Remains same Decreases Heater will burn out Increases Remains same Decreases Heater will burn out ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In a lamp load when more than one lamp are switched on the total resistance of the load Increases None of these Remains same Decreases Increases None of these Remains same Decreases 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 Zero Negative None of the listed here Positive Zero Negative None of the listed here Positive ANSWER DOWNLOAD EXAMIANS APP
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