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Sir Kit’s Great Adventure BY:MARISSA BENAVIDES & BROOKE MOLINA Background information Word Tis what? Charge Electrons (-) and protons (+) that attract or repel Magnets - =><= + <= - - => <= + + => Current The flow of electrons from negative (-) to positive (+) over time Flow of Water through a pipe Resistance The slowing down of electrons in a current Measure of actual flow created Voltage Example Formula Units Symbol (C) COULOM B Q I=Q/T Current =charge divided by the time Amperes (Amps) I Clog of a pipe ____________________ OHMS Ω R Water Pressure V=IR(Coulomb’s Law) voltage = the current multiplied by the resistance VOLTS V _____________ An Ammeter : Measures Amperes Resistor: removes energy Battery: Source of energy Voltmeter: Measures Energy Wires : ________________ Choose your quest Series Circuits Parallel Circuits Series Circuits In a series circuit : Voltage is distributed among the resistors: Energy=V¹+V²+V³ The total resistance can be found by adding all of the resistances: R= R¹+R²+R³ Finding Voltage, Current and Resistance for a Series Circuit 1) Find the total Energy (Volts from battery) 2) Find the total resistance Total R=r¹ +r² +r³ 3) Determine the total current I = V/R 4)Because current is always constant in a series circuit , you can find the voltage by each resistor. 4V In Parallel Circuits….. Voltage is always constant How to find V, I and R in a parallel circuit 1. Determine the total energy 2. Find the total Resistance : 1/total R = 1/R¹ + 1/R² + 1/R³ 3. Find out the total current leaving the energy source: Total Energy: Voltage/Resistance Ye Old Questions What is always constant in a series circuit? (Click the right answer) Voltage Current Resistance What is always constant in a parallel circuit? Voltage Current Charge Which is the symbol for a resistor Which is the correct formula for Coulomb’s Law V=IR I=RV I=QT Would two protons repel or attract to each other? Would an electron and a proton repel or attract to each other Slay the Dragon!!! In a parallel circuit the battery has a voltage of 5V. Both lamps have a resistance of 6 ohms. Solve for the total resistance and current. YAYYYY Ye Answer is Right!!!!!! Oops ye answer is incorrect