We use 230 V for our household purpose. But the power produced at 11 k

1.	We use 230 V for our household purpose. But the power produced at 11 kV is transmitted to distant places after increasing the voltage.a. Why is electricity transmitted to distant places at high voltage?b. Write down one disadvantage of transmitting electricity at high voltage.c. What are the use of substations? Which type of transformer is used here?
Answer» a. To reduce energy loss in the form of heat high voltage is used for long-distance transmission. b. Transmission through populated areas is difficult. Transmission lines must be at a great height to ensure safety. c. To reduce high transmission line voltage as and when required. Step down transformers are used for this purpose.

We use 230 V for our household purpose. But the power produced at 11 kV is transmitted to distant places after increasing the voltage.a. Why is electricity transmitted to distant places at high voltage?b. Write down one disadvantage of transmitting electricity at high voltage.c. What are the use of substations? Which type of transformer is used here?

Answer»

a. To reduce energy loss in the form of heat high voltage is used for long-distance transmission.

b. Transmission through populated areas is difficult. Transmission lines must be at a great height to ensure safety.

c. To reduce high transmission line voltage as and when required. Step down transformers are used for this purpose.

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