12th Class Physics MCQS
The unit of conductivity is:
Both a and b
Terminal potential difference is greater than emf of the cell when
None of these
Circuit is open
small battery is charged by bigger battery
Circuit is closed
The vessel containing the tow electrodes and liquid to known as.
When a pot difference of 4 volt is applied across resistance, 10 J of energy is converted Find charge flows
Heat energy is converted into electrical energy.
None of above
A wire uniform cross-section. A length L and resistance R is cut into two equal parts. The resistivity of each part will be:
Remain the same