Формулы по физике 8 класс

Формулы по физике 8 класс

8th Grade

13 Qs

quiz-placeholder

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Формулы по физике 8 класс

Формулы по физике 8 класс

Assessment

Quiz

Physics

8th Grade

Practice Problem

Medium

Created by

Владимир Кислиденко

Used 12+ times

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13 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Формула расчета количества теплоты для теплопередачи:

Q = k * A * (T1 - T2)

Q = V * ρ * g
Q = m * c * ΔT
Q = P * t

2.

MULTIPLE SELECT QUESTION

10 sec • 1 pt

Закон Ома для участка цепи (выберите все правильные)

U = I * R
R = U + I
I = R / U
I = U / R

3.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Формула сопротивления электрической цепи:

R = p*S/l

R = I*U

R = S/p*l

R = p*l/S

4.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Закон Джоуля-Ленца:

Q = I * R^2 * t
Q = I^2 * t
Q = I * R * t
Q = I^2 * R * t

5.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Формула работы электрического тока:

A = I * t / U
A = U / I * t
A = U * I * t
A = U + I + t

6.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Формула КПД теплового двигателя:

КПД = (A / Q) * 100%
КПД = A - Q
КПД = A + Q
КПД = (Q / A) * 100%

7.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Формула расчета сопротивления при параллельном соединении:

1/R = 1/R1 + 1/R2 + ...

R = R1 + R2 + ...

1/R = R1 * R2 * ...

R = R1 - R2 - ...

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