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State unit of 1. Current Amp 2. Potential difference ~ volt 3. Time Second 4. Enery Joule 5. Power Watt 6. Charge Coulomb wires made of copper good conductor electricity can flow quickly neutral wire (blue) Current:: acCurrent dc→ direct Current earth Alternating Iwire => Thermistors are used as temperature sensors eg. fire alarms Charge passed Time taken (green) The mains electric Supply is a.c and the Current drawn from a battery is d.c. LDR's (light-dependent resistors => are used to detect light levels eg. street lights CP Ct an Signal generator (a.c) battery (d.c) Potential difference -live wire (brown) 90 energy transferred N = Equations: W V=IR resistance ↓ Current energy Q→charge W=VIT time Potential difference PHYSICS ELECTRICITY ↓ Unit for current Amp (A) unit for charge = Coulomb (C) KF o od Diode. diodes are used to restrict the flow of [ Oscilloscope conneted to generator Electric circuits: voltmetre diode fuse bulb battery 4137 Parallel Type of Circuit Series switch 9 LOR resistor LED Variable resistor Description Components arranged one after the other in a chain Has branches which Split apart, dividing the Current ammetre -Current The rate of flow of charge in a Circuit. -One Coulomb is the charge that passes when one amp of current flows for one second, but allow it in the other potential difference is the energy difference between two points in a circuit per unit charge -measured in volts Cell motor Ø thermistor Example diagram resistance is a measurement of a components ability to restrict the flow of current in a circuit, measured in Ohms (2) o charge of 1 electron is -1.6 10-19 C o TheRare 6.25x10¹8 electrons in a coulomb
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State unit of 1. Current Amp 2. Potential difference ~ volt 3. Time Second 4. Enery Joule 5. Power Watt 6. Charge Coulomb wires made of copper good conductor electricity can flow quickly neutral wire (blue) Current:: acCurrent dc→ direct Current earth Alternating Iwire => Thermistors are used as temperature sensors eg. fire alarms Charge passed Time taken (green) The mains electric Supply is a.c and the Current drawn from a battery is d.c. LDR's (light-dependent resistors => are used to detect light levels eg. street lights CP Ct an Signal generator (a.c) battery (d.c) Potential difference -live wire (brown) 90 energy transferred N = Equations: W V=IR resistance ↓ Current energy Q→charge W=VIT time Potential difference PHYSICS ELECTRICITY ↓ Unit for current Amp (A) unit for charge = Coulomb (C) KF o od Diode. diodes are used to restrict the flow of [ Oscilloscope conneted to generator Electric circuits: voltmetre diode fuse bulb battery 4137 Parallel Type of Circuit Series switch 9 LOR resistor LED Variable resistor Description Components arranged one after the other in a chain Has branches which Split apart, dividing the Current ammetre -Current The rate of flow of charge in a Circuit. -One Coulomb is the charge that passes when one amp of current flows for one second, but allow it in the other potential difference is the energy difference between two points in a circuit per unit charge -measured in volts Cell motor Ø thermistor Example diagram resistance is a measurement of a components ability to restrict the flow of current in a circuit, measured in Ohms (2) o charge of 1 electron is -1.6 10-19 C o TheRare 6.25x10¹8 electrons in a coulomb
State unit of 1. Current Amp 2. Potential difference ~ volt 3. Time Second 4. Enery Joule 5. Power Watt 6. Charge Coulomb wires made of copper good conductor electricity can flow quickly neutral wire (blue) Current:: acCurrent dc→ direct Current earth Alternating Iwire => Thermistors are used as temperature sensors eg. fire alarms Charge passed Time taken (green) The mains electric Supply is a.c and the Current drawn from a battery is d.c. LDR's (light-dependent resistors => are used to detect light levels eg. street lights CP Ct an Signal generator (a.c) battery (d.c) Potential difference -live wire (brown) 90 energy transferred N = Equations: W V=IR resistance ↓ Current energy Q→charge W=VIT time Potential difference PHYSICS ELECTRICITY ↓ Unit for current Amp (A) unit for charge = Coulomb (C) KF o od Diode. diodes are used to restrict the flow of [ Oscilloscope conneted to generator Electric circuits: voltmetre diode fuse bulb battery 4137 Parallel Type of Circuit Series switch 9 LOR resistor LED Variable resistor Description Components arranged one after the other in a chain Has branches which Split apart, dividing the Current ammetre -Current The rate of flow of charge in a Circuit. -One Coulomb is the charge that passes when one amp of current flows for one second, but allow it in the other potential difference is the energy difference between two points in a circuit per unit charge -measured in volts Cell motor Ø thermistor Example diagram resistance is a measurement of a components ability to restrict the flow of current in a circuit, measured in Ohms (2) o charge of 1 electron is -1.6 10-19 C o TheRare 6.25x10¹8 electrons in a coulomb
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Knowunity is the # 1 ranked education app in five European countries
Knowunity was a featured story by Apple and has consistently topped the app store charts within the education category in Germany, Italy, Poland, Switzerland and United Kingdom. Join Knowunity today and help millions of students around the world.
Still not sure? Look at what your fellow peers are saying...
iOS User
I love this app so much [...] I recommend Knowunity to everyone!!! I went from a C to an A with it :D
Stefan S, iOS User
The application is very simple and well designed. So far I have found what I was looking for :D
SuSSan, iOS User