A `4 Omega` wire is doubled on it. Calculate the new resistance of the wire.

A 4 Omega resistance wire is doubled on it. Calculate the new resistance of the wire.

A 5Omega resistance wire is doubled on it. Calculate the new resistance of the wire.

A 6Omega resistance wire is doubled up by folding. Calculate the new resistance of the wire.

A 8 ohm resistance wire is stretched to double its length. Calculate the new resistance of the wire.

A wire has a resistance of 16 Omega . It is melted and drawn into a wire of half its length. Calculate the resistance of the new wire. What is the percentage change in its resistance ?

A wire has a resistance of 16 Omega . It is melted and drawn into a wire of half its length. Calculate the resistance of new wire. What is the percentage change in its resistance?