Current Electricity Current velocity through a copper conductor is nearly 3 x 108 m/s of the order of a few ^.s/m the same as propagation velocity of electric energy independent of current strength nearly 3 x 108 m/s of the order of a few ^.s/m the same as propagation velocity of electric energy independent of current strength ANSWER DOWNLOAD EXAMIANS APP
Current Electricity One commercial unit of energy equals One kilowatt-hour One watt-hour One watt-hour Ten kilowatt-hour One kilowatt-hour One watt-hour One watt-hour Ten kilowatt-hour ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A 3 Q resistor having 2 A current will dissipate the power of 6 watts 2 watts 8 watts 4 watts 6 watts 2 watts 8 watts 4 watts 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 20 W 10 W 60 W 40 W 20 W 10 W 60 W 40 W ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Three 60 W bulbs are in parallel across the 60 V power line. If one bulb burns open There will be heavy current in the main line All three bulbs will light The other two bulbs will light Rest of the two bulbs will not light There will be heavy current in the main line All three bulbs will light The other two bulbs will light Rest of the two bulbs will not light ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a straight conductor is independent of Material Cross-sectional area Shape of cross-section Temperature Material Cross-sectional area Shape of cross-section Temperature ANSWER DOWNLOAD EXAMIANS APP
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