Электродинамика (10-11) Flashcards by Alex Eo | Brainscape

Q

Электрический ток

A

I = 𐤃q/𐤃t

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Напряжение

A

U = A/q

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Закон Ома для участка цепи

A

I = U/R

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Электродвижущая сила (ЭДС)

A

ε = A_ст/q

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Сопротивление

A

R = ρl/s

ρ - удельное электрическое сопротивление

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Закон Ома для полной цепи

A

I = ε/(R+r)

r - сопротивление источника тока

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Последовательное соединение: сила тока

A

I₀ = I₁ = I₂

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Последовательное соединение: напряжение

A

U₀ = U₁ + U₂

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Последовательное соединение: сопротивление

A

R₀ = R₁ + R₂

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Параллельное соединение: сила тока

A

I₀ = I₁ + I₂

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Параллельное соединение: напряжение

A

U₀ = U₁ = U₂

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Параллельное соединение: сопротивление

A

1/R₀ = 1/R₁ + 1/R₂

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Формулы для проводников одинакового сопротивления

A

R_{0 посл} = NR
R_{0 паралл} = R/N

N - количество проводников

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Работа тока (Закон Джоуля-Ленца)

A

A = Q = UIt = U²t/R = I²Rt

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Мощность тока

A

P = UI = U²/R = I²R

How well did you know this?

1

Not at all

2

3

4

5

Perfectly