Current Electricity Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as 5 : 2 25 : 4 2 : 5 4 : 25 5 : 2 25 : 4 2 : 5 4 : 25 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The flow of current in solids is due to Nucleus Atoms Electrons and ions Electrons Nucleus Atoms Electrons and ions Electrons 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
Current Electricity A copper wire is stretched so that its length is increased by 0.1 % . The change in its resistance is 0.3% 0.2% None of the listed here 0.4% 0.3% 0.2% None of the listed here 0.4% ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Ohm's law is not applicable to Small resistors High currents Semi-conductors Dc circuits Small resistors High currents Semi-conductors Dc circuits 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 An insulator None of the listed here A semiconductor A conductor An insulator None of the listed here A semiconductor ANSWER DOWNLOAD EXAMIANS APP
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