Current Electricity Which of the following is the best conductor of electricity? Zinc Gold Copper Silver Zinc Gold Copper Silver ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Three 60 W bulbs are in parallel across the 60 V power line. If one bulb burns open Rest of the two bulbs will not light There will be heavy current in the main line The other two bulbs will light All three bulbs will light Rest of the two bulbs will not light There will be heavy current in the main line The other two bulbs will light All three bulbs will light ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Current velocity through a copper conductor is nearly 3 x 108 m/s independent of current strength of the order of a few ^.s/m the same as propagation velocity of electric energy nearly 3 x 108 m/s independent of current strength of the order of a few ^.s/m the same as propagation velocity of electric energy ANSWER DOWNLOAD EXAMIANS APP
Current Electricity When resistance element of a heater fuses and then we reconnect it after removing a portion of it, the power of the heater will Increase Remain constant None of these Decrease Increase Remain constant None of these Decrease 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 None of these Remains same Increases Decreases None of these Remains same Increases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a few meters of wire conductor in closed electrical circuit is High Low Practically zero Very high High Low Practically zero Very high ANSWER DOWNLOAD EXAMIANS APP
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