Electricity Revision.

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Presentation transcript:

Electricity Revision

What is the resistance of X? What is the value of V? Vote in the piggies. A = 5V B = 10V C = 15V Bonus Question What is the resistance of X?

Revision REVISION REVISION Check what I know Ask others what they know Use my book to fill in the gaps Exam Questions Quizzes

Static Electricity Electrical Safety Resistance Circuits Quantitiy Symbol Unit Current V Coulombs W Resistance Seconds

Quantity Symbol Unit Current I Amps A V Coulombs W Resistance Seconds

Quantity Symbol Unit Current I Amps A Potential Difference V Volts Coulombs W Resistance Seconds

Quantity Symbol Unit Current I Amps A Potential Difference V Volts Charge Q Coulombs C W Resistance Seconds

Quantity Symbol Unit Current I Amps A Potential Difference V Volts Charge Q Coulombs C Power P Watts W Resistance Seconds

Quantity Symbol Unit Current I Amps A Potential Difference V Volts Charge Q Coulombs C Power P Watts W Resistance R Ohms Ω Seconds

Quantity Symbol Unit Current I Amps A Potential Difference V Volts Charge Q Coulombs C Power P Watts W Resistance R Ohms Ω Work Done Joules J Seconds

Quantity Symbol Unit Current I Amps A Charge Q Coulombs C Potential Difference V Volts Resistance R Ohms Ω Work Done W Joules J Time t Seconds s Power P Watts

http://filestore.aqa.org.uk/subjects/AQA-PH2HP-QP-JUN12.PDF

Exam Technique Do Don’t

ELECTRICITY QUIZ

ELECTRICITY QUIZ A B C D What holds a balloon to a wall? Friction Protons C Electrostatic Forces D Electrons

ELECTRICITY QUIZ When a material is stripped of electrons it becomes……? A Positive B Repelled C Attracted D Negative

ELECTRICITY QUIZ Like charges…… A Flow B Banana C Repel D Attract

ELECTRICITY QUIZ Two charged polythene rods held close to each other will…. A Flow B Banana C Repel D Attract

ELECTRICITY QUIZ Which symbol is this A Cell B Resistor C D Lamp Diode

ELECTRICITY QUIZ A B C D Which symbol is this Diode Resistor Voltmeter Ammeter

ELECTRICITY QUIZ A B C D Which symbol is this Variable Resistor Light Emitting Diode Thermistor

ELECTRICITY QUIZ The symbol for current is A A B R C C D Q

ELECTRICITY QUIZ A B C D The equation for current is…. I = Q/t I = Qt I = QR I = Q/R

ELECTRICITY QUIZ A Current of 14A flows for 10 seconds. How much charge flows? A 1.4 C B 1.4 Q C 140 C D 140 Q

ELECTRICITY QUIZ A B C D What does C stand for? Charge Circuit Coulombs D Current

ELECTRICITY QUIZ A B C D An ammeter measures Charge Current Resistance Amps

ELECTRICITY QUIZ Potential Difference is the amount of work done by each… A Ohm of charge B Amp of current C Voltage per second D Coulomb of charge

ELECTRICITY QUIZ The symbol for work done is A J B E C W D D

ELECTRICITY QUIZ A B C D The equation for resistance is… R = V/I R = V x I C R = V/W D R = V x W

ELECTRICITY QUIZ In a filament bulb the resistance of the filament increases as the temperature of the filament….. A B Decreases Stays the same C Gets a bus home D Increases

ELECTRICITY QUIZ A B C D Potential Difference is measured in……. Joules Volts C Watts D Amps