According to Ohm's law :

1. I ∝ V
2. V/I = constant
3. V = IR
4. All of the above

1 ohm is equal to:

1. 1 volt
2. Volt x ampere
3. volt/ampere
4. all of the above

Out of the following, non-ohmic resistor is :

1. nichrome
2. copper sulphate solution with copper electrodes and dil sulphuric acid.
3. solar cell
4. silver

The resistance of a conductor depends on :

1. the temperature of the conductor
2. the thickness of the conductor
3. the length of the conductor
4. all of the above