Electric Circuits | ||
#1 | What flows and carries power in a circuit? | electric current |
#2 | An --------------- has a break in it, so there is no current. | open circuit |
#3 | These are used when drawing a circuit diagrams. | electric symbols |
#4 | A ------------ has a complete path for the current and contains no break. | closed circuit |
#5 | A light bulb,motor, or speaker acts as a ---------------- in a circuit. | resistor |
Electric Circuits | ||
#1 | What is the purpose of an electric current? | create energy to turn things on |
#2 | What is the purpose of a switch within a circuit? | turn circuits off and on |
#3 | The motion of charges or electrons flowing in wires, motors, light bulbs and other devices is best called electric --------- | electric current |
#4 | Components called ----------- are used to control current in the circuits on the board. | resistors |
#5 | If you compare an electrical circuit to a system that carries water, what would the water pipes represent? | wires |
Current and Voltage | ||
#1 | The unit for current is the ____________ | amps |
#2 | A _________ provides voltage to a circuit. | battery or electrical outlet |
#3 | Current leaves a battery from the __________ end and returns to the _________end. | positive, negative |
#4 | What tool is used to only measure current? | ammeter |
#5 | What happens to the current in a circuit if you increase the resistance? | current decreases |
Resistance and Ohms Law | ||
#1 | What unit is resistance measured in? | Ohm's |
#2 | The ability of an object to resist the flow of current is ____________ | resistance |
#3 | The relationship of voltage equal to current multiplied by resistance is known a ___________ law. | Ohm's |
#4 | Wires in a circuit are made of a material that is a ______________ | conductor |
#5 | A simple method of describing a real circuit using electrical symbols is called a ________________ | circuit diagram |
Random | ||
#1 | The ___________ is the unit for measuring voltage. | volts |
#2 | What is the name of the symbol that is used to represent Ohms? | omega |
#3 | Plastic, rubber, and glass are examples of _____________ | insulators |
#4 | What 2 measurements can a multimeter measure? | voltage and current |
#5 | How many volts do household batteries have? | 1.5 Volts |
Final Question | |