Teaching Jharkhand (JSSC) TGT (6 to 8) Mock Test 2023-24 Physics Current, Resistance and Electricity Ohm’s Law
Ohm’s law is obeyed by many substances, but it is not a fundamental law of nature. It fails if,
1
V depends on I non-linearly.
2
The relation between V and I depend on the sign of V for the same absolute value of V.
3
The relation between V and I is non-unique.
4
All of the above.