Current Electricity In which of the following substances the resistance decreases with increase in temperature? Constantan Copper Carbon Silver Constantan Copper Carbon Silver ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The substances which have a large number of free electrons and offer a low resistance are called Semi-conductors Inductors Conductors Insulators Semi-conductors Inductors Conductors Insulators ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Three identical resistors are first connected in parallel and then in series. The resultant resistance of the first combination to the second will be 9 times 3 times 1/3 times 1/9 times 9 times 3 times 1/3 times 1/9 times 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 40 W 10 W 20 W 60 W 40 W 10 W 20 W 60 W ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In a circuit a 33 Q resistor carries a current of 2 A. The voltage across the resistor is 66 V 80 V 132 V 33 V 66 V 80 V 132 V 33 V ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The weight of an aluminium conductor as compared to a copper conductor of identical cross-section, for the same electrical resistance, is 0.5 0.6 1 1.5 0.5 0.6 1 1.5 ANSWER DOWNLOAD EXAMIANS APP
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