1. sebuah trafo memiliki tegangan input 10V dan kuat arus input adalah 6 A. tentukan tegangan outputnya dan jenis trafonya jika arus output 40V

2. tentukan kuat arus sekunder dan jenis trafo. jika kuat arus primer 4 A dan lilitan primer dan sekunder adalah 20:5​

Firstly, the water in the dams hold gravitational potential energy as they are above ground level. the gravitational potential energy is then transferred to kinetic energy as it falls, spinning the turbinethe turbine then spins the generator, which is a large magnet surrounded by metal coils. by doing this, the generator generates electricity. in this action, the energy transfer taken place is kinetic to electric energy

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The answer is a. that is an exothermic reaction which means it produces heat