Summary Electric circuits Physical Science grade 10
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Course
Physical Sciences
Institution
10th Grade
Book
Physical Sciences
The document contains explanations of what a circuit is and what potential energy is. I have also defined voltage, current, ammeter, voltmeter, etc. I have provided images if the definitions or explanations are hard to comprehend. I have listed and explained the factors that affect the resistance o...
Most of the information is taken from "physical science siyavula grade 10"
March 28, 2023
March 28, 2023
4
2022/2023
Summary
Subjects
voltage
emf
voltmeter
current
flow of charge
voltmeter
resistance
resistors
series
parallel
conductor
thickness
temperature
length
current dividers
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Content preview
Potential difference and emf
A circuit can conduct charge when it is linked and complete. If there is no cause or force
to propel the charge around the circuit, it will not move. Imagine that the charge is at
rest and must be propelled. This indicates that effort is required to transfer the charge.
The charges are subjected to a force that works to shift them. The battery in the circuit
supplies the force.
The potential energy in a battery can be used to shift the charge in a closed circuit by
exerting force on it. This potential energy can then be transformed into electrical energy.
What is a voltmeter?
A voltmeter is an instrument for measuring the potential difference between two points
in an electric circuit.
The symbol for a voltmeter is:
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