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Chapter 22:Section 3 Electric Circuits (Safety Precautions (Avoid tall…
Chapter 22:Section 3 Electric Circuits
Insulator
Voltage
The electric current in a circuit increases as the voltage increases
Fuse
Circuits
Series circuits
One path
Parallel Circuits
Multiple paths
Electrical Power
Power
The rate at which energy is used or the amount of energy that is used per second
Kilowatt-hour
Using a kilowatt continuously for an hour
Measured by an electric meter
In case of the wires overheating, many houses and buildings use electric fuses
P=IV
George Simon Ohms
Ohms Law
Voltage increases
Current increases
VIR
Voltage dost change
Resistance increases
Current decreases
Current
Determined by the voltage
Supplied by the battery and the resistance of the conductor
Conductors
Safety Precautions
Avoid tall objects
Avoid hgh places
Avoid objects and places that conduct currents
When you connect a conductor between the positive and negative terminals of a battery , electrons flow in a circuit