8 класс Flashcards

1
Q

Нагревание/охлаждение тела

A

Q = cm(t2-t1) (Дж)

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2
Q

Плавление/кристаллизация тела

A

Q = hm (Дж)

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3
Q

Парообразование/конденсация

A

Q = lm (Дж)

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4
Q

Горение топлива

A

Q = qm (Дж)

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5
Q

КПД

A

n = A полезная / A затраченная * 100%

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6
Q

Электрический заряд

A

q = e * N (Кл)

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7
Q

Сила тока

A

I = q/t (А)

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8
Q

Напряжение

A

U = A/q (B)

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9
Q

Сопротивление

A

R = Pl/S (Oм)

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10
Q

Закон Ома

A

I = U/R (Ом)

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