Current Electricity The resistance of a conductor varies inversely as Temperature Are of cross-section Resistivity Length Temperature Are of cross-section Resistivity Length ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If the number of valence electrons of an atoms is less than 4,the substance is usually A conductor A semiconductor An insulator None of the listed here A conductor A semiconductor An insulator None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Current velocity through a copper conductor is the same as propagation velocity of electric energy of the order of a few ^.s/m nearly 3 x 108 m/s independent of current strength the same as propagation velocity of electric energy of the order of a few ^.s/m nearly 3 x 108 m/s independent of current strength ANSWER DOWNLOAD EXAMIANS APP
Current Electricity No current flow between two charged bodies if they have same Charge Potential Capacity None of the listed here Charge Potential Capacity None of the listed here 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 Heater will burn out Decreases Increases Remains same Heater will burn out Decreases Increases Remains same 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 80 V 33 V 132 V 66 V 80 V 33 V 132 V 66 V ANSWER DOWNLOAD EXAMIANS APP