Question

The work done in increasing the length of a wire of
area of cross-section 0.1 mm2 by 1% will be
(Y =9x1011 Pa)
(a) 2 x 102 J
(b) 4.5x 102 J
(c) 3 x 102 J
(d) 6x 1023
​

Answer 1

Answer:

The work done in increasing the length of a wire of

area of cross-section 0.1 mm2 by 1% will be

(Y =9x1011 Pa)

(a) 2 x 102 J

(b) 4.5x 102 J

(c) 3 x 102 J

(d) 6x 1023