Сила тока в первичной обмотки трансформатора 2а, напряжение на ней 120в. чему равна сила тока во вторичной обмотки, если напряжение на ней 30в? к какому типу относиться данный трансформатор?
DimasStar1
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26.09.2019 16:20
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ТЕоретически мощность первичной обмотки Р1должна равнятьс я Р2.
Р1=U1I1=120*2a=240ва
P2=U2I2=30в*8а=240ва
Сила тока во вторичной обмотке должна біть 8а