Revision 5.1 - 5.4

Science - Electricity

Revision 

Instructions

Read the questions well and give an answer to each question.

You will need the following things:

- Paper

- Pen

- Calculator

What is the name of materials that allows electrons to flow through a circuit?

1. current electricity
2. static electricity
3. conductor
4. insulator

What does a transformer do?

1. From 230 to 40 volt
2. From 230 to 100 volt
3. From 230 to 12 volt
4. From 40 to 100 volt

Electrical voltage tells you something about?

1. How many particles 'flow' past
2. How 'fast' the particle is going
3. How much electrical energy a particle 'carries'
4. How 'energetic' a particle is

Electrical current tells you something about?

1. How many particles 'flow' past
2. How 'fast' the particle is going
3. How much electrical energy a particle 'carries'
4. How 'energetic' a particle is

Sabine has six 1.5 volt batteries. She connect the batteries in series with each other, by putting the positive poles against minus poles.
Explain how large the total voltage is.

How many Volt does the batteries provides?

1. 0 Volt
2. 1,5 Volt
3. 4 Volt
4. 6 Volt

How many Volt does each lightbulb gets? (all the bulbs are the same)

1. 0 Volt
2. 1,5 Volt
3. 4 Volt
4. 6 Volt

Look at the circuit. All lights are the same.

Which light(s) also go off when you turn off light 1?

1. Only 1
2. 2 and 3
3. All of them
4. None of all

Look at the circuit. All lights are the same.

Which light(s) also go off when you turn off light 3?

1. Only 1
2. Only 2
3. Only 4
4. None

Look at the circuit. All lights are the same.

Which light(s) also go off when you turn off light 4?

1. Only 1
2. 2 and 3
3. All of them
4. None

In a series circuit, the ... is the same everywhere.

1. Current
2. Voltage
3. Energy
4. Power

In a parallel circuit, the ... is the same everywhere.

1. Current
2. Voltage
3. Energy
4. Power

The total voltage is 63 V and the curent is 5 Amps.
How many voltage does each lightbulb gets?
And how large is the current throught each licgtbulb?

1. Each bulb gets 63 V and 5 A
2. Each bulb gets 63 V and 1,0 A
3. Each bulb gets 9 V and 5 A
4. Each bulb gets 9 V and 1,0 A

The voltage through lightbulb 1 is 12 V and the voltage throught lightbulb 3 is 8 V.
Hoe large is de voltage through bulb 4 and 5?

1. 16 V
2. 8 V
3. 26 V
4. 12 V

Convert the following unit:
400 mA = ... A

1. 4
2. 0.4
3. 0.04
4. 0.004

Convert the following unit:
0.5 V = ... mV

1. 5 A
2. 50 A
3. 500 A
4. 5000 A

Wire

Battery

Light

Switch

Motor

Power outlet

Quantity

Unit

Sybmbol

symbol

Power

Current

Voltage

P

I

V

Ampère

A

W

U

Watt

Volt

The correct formula is:

1. P=U+I
2. P=U−I
3. P=U⋅I
4. P=​U​​I​​

Calculate the Power of the motor.

1. 0,0015 W
2. 1,5 W
3. 0,25 mA
4. 2500 A

Hoeveel stroom leveren deze batterijen samen?

1. 0 Volt
2. 1,5 Volt
3. 4 Volt
4. 6 Volt

Wat is het vermogen?

1. 230 Volt
2. 0,3 Ampere
3. 9 Volt
4. 6 Watt

What don't you understand yet?
(and needs to be explained again)