Current Electricity An instrument which detects electric current is known as Voltmeter Galvanometer Wattmeter Rheostat Voltmeter Galvanometer Wattmeter Rheostat ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The flow of current in solids is due to Atoms Nucleus Electrons and ions Electrons Atoms Nucleus Electrons and ions Electrons 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
Current Electricity A wire having very high value of conductance is said to be Very good conductor Moderately good conductor None of the listed here Insulator Very good conductor Moderately good conductor None of the listed here Insulator ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of conductor varies inversely as Temperature Length Area of cross-section Resistivity Temperature Length Area of cross-section Resistivity ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Constantan wire is used for making starndard resistance because it has High melting point High specific resistance Low specific resistance Negligibly small temperature co-efficient of resistance High melting point High specific resistance Low specific resistance Negligibly small temperature co-efficient of resistance ANSWER DOWNLOAD EXAMIANS APP
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