Name one advantage and one disadvantage of the prepaid electricity system.​

The system prevents a consumer from accruing debt via electricity use, as it only allows the customer to use electricity which has been paid for upfront.

this gives the advantage of not allowing the consumer to rack up debt

the disadvantage for the consumer comes when they cannot afford to prepay in a time of financial difficulty - as the system now renders them as having no electricity as well as no money

attach the statements so i can answer : )

force required to detach it is given by

charges are taken to be fundamental charge

now we have

so above is the minimum distance at which it will detach