3T circuits recap 5.1&5.2

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Slide 1: Slide
NatuurkundeMiddelbare schoolvwoLeerjaar 3

This lesson contains 15 slides, with interactive quizzes, text slides and 1 video.

time-iconLesson duration is: 45 min

Items in this lesson

Slide 1 - Slide

The plan for today
1. What do you still know?
           > Electrical charge
           > Electrical current
           > Ohm's law
           > NTC and PTC resistors
2. Start with paragraph 3 --> How can we connect resistors?

Slide 2 - Slide

True or false:
Two positive charges attract
eachother.
A
True
B
False

Slide 3 - Quiz

True or false:
Electrical charges can 'jump'
from one object to another.
A
True
B
False

Slide 4 - Quiz

What do we call the particles
that flow in an electrical
circuit?
A
Positrons
B
Protons
C
Electrons
D
Neutrons

Slide 5 - Quiz

What is the symbol and unit
for electrical charge?
A
Symbol: Q Unit: V
B
Symbol: C Unit: Q
C
Symbol: Q Unit: C
D
Symbol: U Unit: V

Slide 6 - Quiz

In a copper rod, we measure
10 C moving past in 20 seconds.
Calculate the current through this rod.

Slide 7 - Open question

In a different copper rod, we
measure 6.25*10 electrons moving past in 1 second. Calculate the current through this rod.
17

Slide 8 - Open question

Slide 9 - Slide

If we increase the voltage
across an ohmic resistor, the
current through that resistor will ...
A
Increase
B
Decrease
C
Stay the same

Slide 10 - Quiz

During an experiment, we connect
a microchip (600 Ω) directly to a voltage source of 12V. Calculate the current through the microchip.

Slide 11 - Open question

If we increase the temperature,
the resistance of an NTC will ...1...
and the resistance of a PTC will ...2...
A
1: Increase 2: Increase
B
1: Increase 2: Decrease
C
1: Decrease 2: Increase
D
1: Decrease 2: Decrease

Slide 12 - Quiz

Slide 13 - Slide

Is this an NTC or PTC?
A
NTC
B
PTC

Slide 14 - Quiz

Slide 15 - Video