parallel circuit
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The document describes an experiment using a circuit construction kit simulation to measure current and voltage in a parallel circuit with two light bulbs. Key steps include: 1) Building a parallel circuit with two light bulbs and measuring the total current and current through each bulb. 2) Measuring the voltage across each bulb and using this to calculate the resistance of each bulb. 3) Calculating the total resistance of the two bulbs and using Ohm's Law to predict the total voltage, then measuring the actual total voltage.
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parallel circuit
- 1. Parallel Circuits - https://phet.colorado.edu/en/simulation/legacy/circuit- construction-kit-dc 1. Using batteries and bulbs (as resistors) set up the following circuit: 2. Properly place an ammeter into the circuit and measure the total current in amps (A): Total Current = 3. Properly place an ammeter into the circuit and measure the current through in each of the bulbs: Current in bulb 1 = Current in bulb 2 = 4. Draw the three circuits you just made to measure the current. Using symbols to show how you connected the ammeter: Disconnect the ammeter and re-set up the circuit. 5. Measure the voltage across each bulb: V1 = V V2 = V 6. Using the equation V R I calculate the resistance of each bulb. 7. What is the total resistance of the two bulbs together? Rtotal =
- 2. Parallel Circuits - https://phet.colorado.edu/en/simulation/legacy/circuit- construction-kit-dc 8. Using your measured values for current (I) and total resistance (R) confirm Ohm’s Law: V=IR and predict what the total voltage is. VT = 9. Measure the actual total voltage across the all the batteries? Voltage = The measure voltage will likely be different because your measured values of current and resistance contain error.