H4 Elektriciteit

Ch.4 Electricity
Review questions
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Slide 1: Diapositive
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Ch.4 Electricity
Review questions

Slide 1 - Diapositive

Which particles move with an electrical current?
A
Molecules
B
Atoms
C
Electrons
D
Cells

Slide 2 - Quiz

A substance that the electrical current can easily flow through is called ...........
A
an insulator
B
an isolator
C
a collector
D
a conductor

Slide 3 - Quiz

A substance that the electrical current can not easily flow through is called ...............
A
an insulator
B
an isolator
C
a collector
D
a conductor

Slide 4 - Quiz

Slide 5 - Question de remorquage

What is the symbol for voltage?
A
P
B
U
C
I
D
t

Slide 6 - Quiz

What is the symbol for current?
A
P
B
U
C
I
D
t

Slide 7 - Quiz

What is the unit for power?
A
Amps
B
Volt
C
Watt
D
Hours

Slide 8 - Quiz

What is the definition of power?
A
The amount of current that an appliance uses.
B
The amount of current that an appliance uses per second.
C
The amount of electrical energy that an appliance uses.
D
The amount of electrical energy that an appliance uses per second.

Slide 9 - Quiz

Place the correct symbol behind the electrical components
Battery
Wire
Switch
Light bulb
LED
Mains socket

Slide 10 - Question de remorquage

Place the correct amount of power next to the light bulbs
Lamp a
Voltage:  2.4 V
Current:  500 mA
Lamp b
Voltage:  9 V
Current:  700 mA
Lamp c
Voltage:  12 V
Current:  4.0 A
6300 W
1,2 W
1200 W
48 W
6,3 W

Slide 11 - Question de remorquage

Jocelyn: In a parallel circuit you can turn the light on and off independently.

Tessa: If one lamp in a parallel circuit breaks, all lights turn off.

Who is right?
A
Both are incorrect
B
Only Jocelyn
C
Only Tessa
D
Both Jocelyn and Tessa are right.

Slide 12 - Quiz

All light bulbs in this circuit are identical. The total current is 8 amps. What is the current in each light bulb?

Slide 13 - Question ouverte

All light bulbs in this circuit are identical. The battery voltage is 4 Volts. What is the voltage in each light bulb?

Slide 14 - Question ouverte

All light bulbs in this circuit are identical. The total current is 6 amps. What is the power of each light bulb?

Slide 15 - Question ouverte

Calculate the power of light bulb # 2

Slide 16 - Question ouverte