Toggle Navigation
Games
Blog
Class PIN
Join for Free
Sign in
Toggle Navigation
Games
PIN
Join for Free
Blog
Pricing
Contact us
Help center
Sign in
Study
STEM Electric Circuits
0
%
0
0
0
Back
Restart
What is the name of the negative electrode in electrolysis?
Cathode
Oops!
Okay!
What does LED stand for?
LED stands for a Light Emitting Diode
Oops!
Okay!
Where do we place an ammeter when we measure current in a circuit - in series or in parallel?
When we measure current we place the meter in series in the circuit.
Oops!
Okay!
Two identical bulbs are in parallel in a complete circuit. A third identical bulb is connected in parallel. What happens?
All the bulbs are the same brightness
Oops!
Okay!
What is electrical resistance?
Electrical resistance is opposition to the flow of current
Oops!
Okay!
Electrical wires are usually made of copper because copper is...
Copper is a very good conductor of electricity
Oops!
Okay!
Does graphite conduct electricity?
Yes it does!
Oops!
Okay!
Three identical bulbs are in parallel in a complete circuit. How is the current split - in three or not at all?
The current is split equally across the the three bulbs
Oops!
Okay!
Two bulbs are in a series circuit - what happens to the bulbs if the voltage is increased?
The bulbs get brighter - the current increases with the voltage
Oops!
Okay!
What instrument do we use to measure potential difference?
A voltmeter is used to measure potential difference
Oops!
Okay!
When we measure potential difference do we place the voltmeter in series or in parallel?
When we measure potential difference we place the voltmeter in parallel
Oops!
Okay!
What are the names of the positive and negative electrodes in electrolysis?
Anode and Cathode
Oops!
Okay!
Why are electrical wires coated in plastic?
Wires are coated in plastic because the plastic used is an insulator and doesn't conduct electricity
Oops!
Okay!
Is this a series or a parallel circuit/
series circuit
Oops!
Okay!
What piece of equipment do we use the measure current?
We use an ammeter
Oops!
Okay!
Which is the positive electrode in electrolysis; anode or cathode?
Anode
Oops!
Okay!
Is this a series or a parallel circuit?
A parallel circuit
Oops!
Okay!
What is then name of the carbon based material which is one atom thick?
Graphene
Oops!
Okay!
What type of ions are attracted to the anode; positive or negative?
Negative ions are attracted to the positive anode!
Oops!
Okay!
What is the name of the electro-chemical process in the picture?
Electrolysis
Oops!
Okay!
What type of ions are attracted to the cathode; positive or negative?
Positive ions are attracted to the negative cathode!
Oops!
Okay!
Your experience on this site will be improved by allowing cookies.
Allow cookies