Current Electricity Eureka has _______ temperature co-efficient of resistance. None of the listed here Positive Negative Almost zero None of the listed here Positive Negative Almost zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If the number of valence electrons of an atoms is less than 4,the substance is usually A semiconductor An insulator A conductor None of the listed here A semiconductor An insulator A conductor None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity At 0 K, germanium behaves as A ferromagnetic substance A superconductor An insulator A conductor A ferromagnetic substance A superconductor An insulator A conductor 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 A field of force can exist only between Two ions Two atoms Two molecules Two metal particles Two ions Two atoms Two molecules Two metal particles ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of a material always decreases if Temperature of material is increased Temperature of material is decreased None of these Number of free electrons available becomes more Temperature of material is increased Temperature of material is decreased None of these Number of free electrons available becomes more ANSWER DOWNLOAD EXAMIANS APP
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