The resistance of a wire of length 20 cm is `5Omega`. It is stretched uniformly to a legth of 40 cm. The resistance now becomes:

Resistance of a metal wire of length 10cm is 2 Omega . If the wire is stretched uniformly to 50 cm the resistance is ______

The resistance of a 20 cm long wire is 5Omega .The wireIs stretched to a uniform wire of length 40 cm. The resistance of the wire is:(a) 5Omega (b) 10Omega (c) 15Omega (d) 20Omega

The resistance of a 50 cm long wire is 10 Omega . The wire is stretched of uniform wire of length 100 cm. The resistance now will be

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

The resistance of a wire of length l and diameter d is R . The wire is stretched to double its length. The resistance of the wire will now be

The resistance of a wire is 2 Omega . The wire is stretched to doubel its length. Now the resistance of the wire will become

Choose correct alternative. A wire of length 20 cm has resistance 5 Omega . It is stretched up to 60 cm, its 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

Resistance of a wire is R Omega . It is stretched uniformly till Its length becomes four times. It's resistivity will ....... .