Series Circuits
When adding bulbs to a series circuit, do the bulbs collectively become brighter or dimmer or stay the same?
dimmer
If a second bulb is added in parallel what will happen to the total current?
It will increase.
Electrons move from the _________ terminal of the cell to the _________ terminal
negative, positive
Ohm's Law
What is V= IxR or when current increases proportionally to voltage to maintain the same resistance.
What renewable energy source uses sunlight to generate electricity?
solar
What is the formula to calculate the total resistance in a series circuit?
RT=R1+R2+R3+…
In a parallel circuit, what is the same across all resistors?
voltage
_______ is the rate of flow of electric charge
current
How does the Government of Canada help consumers compare the efficiency of an appliance when they purchase a new one.
EnerGuide label
What type of electricity generation relies on falling water to spin turbines?
Hydroelectric
A series circuit contains a 2 Ω, 3 Ω, and 5 Ω resistor. What is the total resistance?
10Ω
In a parallel circuit, what happens to the total resistance when more resistors are added?
decreases
What is the scientific name for the liquid in a wet cell or the paste in a dry cell?
electrolyte
When building a circuit how should voltmeters be connected?
parallel
Name one disadvantage of wind power.
Weather-dependent/unpredictable/inconsistent
In a series connection of either cells or loads, if one goes out what happens to the others?
They all go out
In a parallel circuit, three resistors of 6 Ω, 12 Ω, and 4 Ω are connected. What is the total resistance?
2Ω
A wire with a greater diameter will have more / less resistance than a thin wire
less
What type of plug or safety device should be used near a water source because it will detect a change in current and shut the circuit
GFCi
A non-renewable energy source which produces a radioactive waste that needs to be stored carefully for hundreds or thousands of years
nuclear
What is an advantage to the bulbs (loads ) when cells are connected in series?
more voltage, so bulbs will be brighter.
Kirchhoff's voltage law for parallel circuits
Vp=V1=V2=V3
A ______ is a control device in a circuit where the wire inside melts after which it must be replaced.
fuse
What part of the circuit converts electrical energy into a usable form?
Load
What source of energy is used in our region and where does it come from?
Hydroelectric, Niagara Falls