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
Ohms Law
V=IxR?
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