railway RRB Technician Grade 1 Mock Test 2024 Physics Current, Resistance and Electricity Limitations of Ohm’s Law
Statement A: Ohm's law is not valid for some conditions of voltage and current.
Statement B: There do exist materials and devices used in electric circuits where Ohm's law is not valid.
1
Both statements are true
2
Both statements are false
3
Statement A is true but statement B is false
4
Statement A is false but statement B is true