Question Answers

Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A wire has a resistance R . what will be its resistance if (a) it is doubled on itself (b) it is stretched so that (i) its length is doubled and ( ii) its radius is halved.

A wire has a resistance R . what will be its resistance if (a) it is doubled on itself (b) it is stretched so that (i) its length is doubled and ( ii) its radius is halved.

A wire has a resistance R . what will be its resistance if (a) it is doubled on itself (b) it is stretched so that (i) its length is doubled and ( ii) its radius is halved.