Yokka Stars

Task id16257

Task id16257

Seller: nerdmavr

Price: 0.22 USD

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Product description

An electric kettle has two windings. When you turn on one of them, the water in the kettle boils after t1 = 15 minutes, when you turn on the other - after t2 = 30 minutes. After what time t will the water in the kettle boil if both windings are turned on: a) in series, b) in parallel.

Additional information

Detailed solution. Format gif