Current Electricity With rise in temperature the resistance of pure metals Increases Decreases Remains constant First increases and then decreases Increases Decreases Remains constant First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electric current is a Scalar quantity Sometimes scalar and sometimes vector Number only Vector quantity Scalar quantity Sometimes scalar and sometimes vector Number only Vector quantity 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 A conductor An insulator None of the listed here A semiconductor A conductor An insulator None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The flow of current in solids is due to Nucleus Electrons and ions Atoms Electrons Nucleus Electrons and ions Atoms Electrons ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The example of non-ohmic resistance is Copper wire Carbon resistance tungsten wire Aluminium wire Copper wire Carbon resistance tungsten wire Aluminium wire ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Voltage dependent resistors are used To suppress surges For inductive circuits As heating elements As current stabilizers To suppress surges For inductive circuits As heating elements As current stabilizers ANSWER DOWNLOAD EXAMIANS APP