Question

© Two Wives of the same material core subjected
to forces in the ratio 1:3. Their length are
in the ratio 5:1 & diamelers in the reatio
4:1. find the ratio of extensions produced
in the two
wires.​

Answer 1

ANSWER

L

2

L

1

=

3

2

ΔL

1

=ΔL

2

(given)

y

1

=y

2

(given)

ϵ

1

σ

1

=

ϵ

2

σ

2

(as inferred from question)

σ

2

σ

1

=

ϵ

2

ϵ

1

σ

2

σ

1

=

L

1

ΔL

1

×

ΔL

2

L

2

=

2

3

×1