Georg Simon Ohm was famous for publishing a formula in 1827. What does it describe?

Answer options

1. A The sum of all currents entering a junction must equal the sum of all currents leaving the junction.
2. BThe total electric flux through a closed surface is proportional to the charge enclosed.
3. C The current flow is proportional to potential difference and inversely proportional to resistance.
4. DThe magnitude of EMF induced in the coil is directly proportional to the rate of change of magnetic flux associated with that coil.