2)If the current in any circuit reach to infinity then its resistance becomes

Given that,

Current = ∞

We know that,

Ohm's law :

Ohm's law is defined as,

The voltage of the circuit is directly proportional to the current of the circuit.

Or,

The voltage of the circuit is equal to the product of current and resistance.

In mathematically,

Where, V = voltage

I = current

R = resistance

According to ohm's law,

The current in the circuit is

If the current is very less then the resistance will be infinity.

If the is reach to infinity then the resistance will be very low.

Hence, The resistance becomes very low.

this means that the temperature of both substances will be equal