Generating Electricity
The energy of motion
What is kinetic energy
Objects with like charges ___________ from one another
What is repel
The object represented in the diagram below
What is an open switch
What is the equation used to calculate Voltage?
Voltage = Current x Resistance
V=IR
Devices that still use electrical energy when turned off are called this
What are phantom loads
The three parts of a generator system
What is a turbine, shaft and generator
Objects with a negative charge will have more ________ than _________.
The type of circuit shown below
What is a parallel circuit (with a cell and 3 resistors)
Calculate the current passing through a lightbulb with a voltage of 5V and a resistance of 12 Ohms
The three main parts of an electrical circuit
What is a source, load and conductor
The type of energy source that can be used continuously.
What is a renewable energy source
A balloon is rubbed against a wool sweater. This is the object that will have a negative charge
What is the balloon
A description of the circuit below
What is a battery and 2 resistors connected in series with 2 more resistors connected in parallel
Calculate the resistance of a blender if 12V causes a current of 1.5 A to go through it.
What is 8 ohms
This type of material prevents the flow of electrons/ electric charge
What is an insulator
A dryer has a power rating of 5kW. If it is used for 1.5 hours throughout the day, this is the amount of electrical energy used.
What is 7.5kWh
Touching charged object can allow them to transfer charge. This is called _____
What is conduction
The total resistance in the following circuit
What is 30 ohms
If you double the resistance in a series circuit, this will happen to the current.
The type of label that shows that the appliance uses 10-50% less energy than other similar products.
What is an ENERGY STAR label?
The type of energy source most of BC gets its electricity from
What is hydroelectric energy (from river flow and dams)
When a charged object is brought close to a neutral object this will happen (explain why).
They will attract to one another because the object will cause a charged affect on the neutral object
The total voltage of each of the two circuits if each cell is 1.5V
What is 4.5V (left) and 1.5V (right)
The current at point 1 (by the battery)
What is 0.5 A
The direction in which current flows through a circuit
From the negative electrode/terminal to the positive electrode/terminal