What happens to the resistance of a circuit if the current through it is doubled ?

What is the current through this circuit?

When electric current is passed through a resis tance wire, it get heated up" What happens to the heat energy developed, if the current through the wire is doubled.

What happens to resistance of a conductor if area of cross section is doubled?

What happens to resistance of the conductor when length is doubled

What happens to the current in a circuit if its resistance is doubled?

What happens to the current in a circuit if its resistance is doubled ?