Circuit Symbols
Draw the circuit symbol for a light bulb.
Bulb
What is the unit of measurement for current?
Amps
What is the unit of measurement for voltage?
Volts
Basic chemical cells are made of ___________ of metal suspended in a solution
2 different types
What energy change takes place in a light bulb?
Electrical energy into light energy.
Draw the circuit symbol for a voltmeter.
Voltmeter
What device is used to measure current?
Ammeter
What device is used to measure voltage?
Voltmeter
One of the types of metal is always the same in a chemical cell. What is that metal?
Copper
What energy change takes place in a solar panel?
Light energy into electrical energy.
Draw the circuit symbol for a battery
Battery
In series circuits, the current is...
the same at all points in the circuit.
In series circuits, the supply voltage is...
equal to the sum of the voltages across each component.
What is the special name given to the different metals in a chemical cell?
Electrodes
What energy change takes place in a battery.
Chemical (potential) energy into electrical energy.
Draw the circuit symbol for a fuse.
Fuse.
In parallel circuits, the total current is...
equal to the sum of the current in each branch of the circuit.
In parallel circuits, the voltage is...
the same across each of the branches of the circuit.
What is the special name given to the solution that is used in a chemical cell?
Electrolytes.
What 2 energy changes takes place in a hydroelectric power plant?
(gravitational) Potential energy into kinetic (movement) energy.
Kinetic energy into electrical.
Draw the circuit diagram for a circuit containing 2 light bulbs that can be turned on and off independently of each other. The circuit has a fuse that can turn off both light bulbs and is powered by a 12v power supply.
Circuit
What is another way of writing the unit of amps?
Coulombs per second.
What is another way of writing the unit of Volts?
Joules per coulomb
State 3 factors that you can change about a chemical cells that will increase the output voltage.
Increase the concentration of the electrolyte
Decrease the distance between electrodes.
Change the materials of the electrodes.
What 3 energy changes take place in a gas burning power plant?
Chemical (potential) energy into heat energy.
Heat energy into kinetic (movement) energy.
Kinetic energy into electrical energy.