Unit+1+Electricity

** SAC 2 Revision videos - Part 1 of 2 **
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** SAC 1 Revision **
In preparation for your SAC. Please complete the Area of study review found in the Electricity pdf below. I have made a video going through selected questions(see below). Your sac will mostly assess circuit theory so please priortise your study so you know the following concepts well. The first Electricity Sac will be a series of mulitple choice questions
 * === Current as the rate charges flow (I = Q/T) ===
 * === Components of a circuit (also including thermistors, diodes, bulbs etc) ===
 * === Ohm's law (Finding circuit voltage, resistance and current) ===
 * === Ohm's law to find the voltage drop across different components in a circuit ===
 * === Ohm's law to find the current for each branch of a parallel circuit ===
 * === Equivalent resistance of a circuit for series and parallel ===
 * === Kirchoff's current law (Current inside a junction = current out) ===
 * === Energy and power relationship (E = P x T) ===
 * === Power ( P = V x I) ===
 * === Power loss ( P = I^2 x R) ===
 * === Using multimeter and ammeter and how they are connected in a circuit ===
 * === Voltage, charge, energy relationship (V = E /Q : 1 volt = 1 joule per couloumb of charge) ===

** Area of Study - Solutions to selected questions : Part 1 of 2 (20 mins) **
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** Area of Study - Solutions to selected questions : Part 2 of 2 (45 mins) **
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 * Practice Test - Revision video (Please note Q6 answer is 4+2 = 6) **

media type="youtube" key="rKXDcu6Vpno" width="420" height="315" Chapter - Electricity Questions Unit 2.2 - Q 1,2,3,4,5



1st lesson - what do we know about Electricity
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= Class activity - Electricity and Electric circuit animations =
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