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Physics- electrostatics and electric circuits

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2021/2022 Written for academic year
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11
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Physical Sciences
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The document includes electric circuits and electrostatics. It goes into detail as it mentions Coulomb’s law and all the calculations surrounding these topics.

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PHYSICS
(Electric circuits and Electrostatics)
Electric circuits


Potential difference (V) ~ Work done per unit charge
V= Work ÷ Charge unit=Volts


Current (I)~ rate of flow of charge
I=Charge ÷ Time unit=Amps


Resistance (R)~ materials opposition to flow of electric current
Unit=Ohms
Ohms law
Current flowing through a conductor is directly proportional to the voltage across the
conductor if temperature is constant
V=IR
Ohmic conductor
 Obey ohms law
 Voltage is directly proportional to Current if temperature is constant
 Voltage ÷ Current=Resistance remains constant


V




I
Non ohmic conductor
 Does not obey ohms law
 Resistant is not constant since resistance is directly proportional to
temperature
 Voltage ÷ Current = Resistance does not remain constant

Document information

Schooljaar
200
Uploaded on
August 9, 2021
Number of pages
3
Written in
2021/2022
Type
Interview
Company
Unknown
Person
Unknown
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Immediately available after payment
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Subjects

  • grade 11
  • physical sciences
  • physics
  • electrostatics
  • charge
  • coulombs laws
  • electric circuits
  • potential difference
  • resistance
  • current

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