Lesson 8 — 5.3 Series and parallel

This lesson

Resistance, voltage & current — Parallel and series
Working on exercises.

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Slide 1: Slide

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This lesson contains 11 slides, with text slides.

Lesson duration is: 45 min

Items in this lesson

This lesson

Resistance, voltage & current — Parallel and series
Working on exercises.

Slide 1 - Slide

Resistance, voltage & current

Series and parallel

Equivalent resistance

Slide 2 - Slide

Slide 3 - Slide

Slide 4 - Slide

Series circuit

parallel circuit

Total Resistance

Total current

Total voltage

Total Resistance

Total current

Total voltage

R^{​ t o t ​ ​} = R^{​ 1 ​ ​} + R^{​ 2 ​ ​} + R^{​ 3 ​ ​} + . . .

U^{​ t o t ​ ​} = U 1 + U 2 + U 3 . . .

\frac{​ 1 ​ ​}{​ R ​}^{​ t o t ​ ​} = \frac{​ 1 ​ ​}{​ R ​}^{​ 1 ​ ​} + \frac{​ 1 ​ ​}{​ R ​}^{​ 2 ​ ​} + \frac{​ 1 ​ ​}{​ R ​}^{​ 3 ​ ​} + . . .

U^{​ t o t ​ ​} = U^{​ 1 ​ ​} = U^{​ 2 ​ ​} = U^{​ 3 ​ ​} = . . .

I^{​ t o t ​ ​} = I^{​ 1 ​ ​} + I^{​ 2 ​ ​} + I^{​ 3 ​ ​} = . . .

I^{​ t o t ​ ​} = I^{​ 1 ​ ​} = I^{​ 2 ​ ​} = I^{​ 3 ​ ​} = . . .

Slide 5 - Slide

Exercise 1

a) What is the current flowing through the second, and third lamp?

b) If the resistance of each of each lamp is 18,5 Ω, and the resistance of each ammeter is 1 Ω. What would be the voltage over the circuit?

Slide 6 - Slide

Exercise 1

a) What is the voltage over each resistor?

b) What is the equivalent resistance to the three resistors in this circuit?

c) What is the current flowing through each resistor?

d) What is the total current flowing through this circuit?

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Exercise 3

Calculate the equivalent resistance of the circuit to the right.

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Next lesson

Studying for the test + Homework check

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Next lesson

Studying for the test + Homework check

- 5.1 Exercise 10, 11

5.2 < Exercise 2, 4, 5, 6, 10
5.2 > Exercise 2, 4, 5, 6, 10, 11

Worksheet:
< Part 2 Exercise 1 to 4 + 6 & 7
>Part 2 Exercise 1, 2, 5, 8 & 9

5,3 Exercise 1, 2, 3 & 4
< Exercise 1, 2, 3, 4, 5, 7
> Exercise 3, 4, 7, 8, 9, 10

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Lesson 8 — 5.3 Series and parallel

Items in this lesson

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