Question

Telephone wires are kept tight between two poles in summer.

• A. True
• B. False

Answer 1

The correct option is B False

Explanation:

1. Telephone wires are kept tight between the two poles in winter these telephone wires are made of copper.
2. Metals contract with cold and expand with heat.
3. In the summer season the surroundings become hot and it makes the copper wire expand.
4. Due to the expansion of these metal wires their length increases.
5. So these wires become loose.

Hence, the given statement is false.