Current Electricity Insulators have _______ temperature co-efficient of resistance. Negative None of the listed here Zero Positive Negative None of the listed here Zero Positive 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 60 W 10 W 40 W 20 W 60 W 10 W 40 W 20 W ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Current velocity through a copper conductor is nearly 3 x 108 m/s the same as propagation velocity of electric energy independent of current strength of the order of a few ^.s/m nearly 3 x 108 m/s the same as propagation velocity of electric energy independent of current strength of the order of a few ^.s/m 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 The other two bulbs will light Rest of the two bulbs will not light All three bulbs will light There will be heavy current in the main line The other two bulbs will light Rest of the two bulbs will not light All three bulbs will light ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The insulation on a current carrying conductor is provided None of above factors To prevent leakage of current Both of the listed here To prevent shock None of above factors To prevent leakage of current Both of the listed here To prevent shock ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a parallel circuit consisting of two branches is 12 ohms. If the resistance of one branch is 18 ohms, what is the resistance of the other? 48 Q 36 Q 64 Q 18 Q 48 Q 36 Q 64 Q 18 Q ANSWER DOWNLOAD EXAMIANS APP
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