The resistance of a wire is `20 ohm`. It is so stretched that the length becomes three times, then the new resistance of the wire will be

" The resistance of a wire is "20Omega" .It is stretched so that the length becomes double,then the new resistance of the wire will b "

The resistance of a 5 cm long wire is 10Omega . It is uniformly stretched so that its length becomes 20 cm . The resistance of the wire is

If a wire is stretched to four times its length, then the specific resistance of the wire will

If a wire is stretched to four times its length, then the specific resistance of the wire will

The resistance of a wire is r ohm. If it is melted and stretched to n times its original length , its new resistance will be

The resistance of wire is 20 Omega . The wire is stretched to three times its length. Then the resistance will now be