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Measuring Voltage
Measuring Voltage
Measuring Voltage
Measuring Voltage
Measuring Voltage
Measuring Voltage
Measuring Voltage
Measuring Voltage
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Measuring Voltage

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    1. A V component here R Voltage is measured by connecting the voltmeter across (or in parallel with ) the component. Voltage is measured in volts and the symbol for this is V. V Components Measuring voltage - across a resistance or a bulb
    2. <ul><li>1. Set up the circuit as shown above. </li></ul><ul><li>Connect the voltmeter across the power supply and measure the supply voltage. </li></ul><ul><li>3. Then connect the voltmeter across the resistance (R) and measure this voltage. </li></ul>Experiment: measuring voltage R V V Circuit 1
    3. <ul><li>Add another resistance ( R 2 ) to the circuit as shown. </li></ul><ul><li>Connect the voltmeter across the power supply and measure the supply voltage. </li></ul><ul><li>Then measure the voltage across each of the resistances. </li></ul>R 1 R 2 V V 1 V 2 Circuit 2 Experiment: measuring voltage
    4. Record your results: Circuit 1 : Voltage (supply) = V Voltage (R 1 ) = V Circuit 2 : Voltage (supply) = V Voltage (R 1 ) = V Voltage (R 2 ) = V R 1 R 2 V V 1 V 2 R 1 V V Circuit 1 Circuit2
    5. The current is the ____ of electricity around the circuit. The _______ is the amount of push. When two components were put into Circuit 2, the voltage of the supply was the ____ as Circuit 1. However, the voltage across R1 ________ . The voltage across both components in circuit 2 added to be equal to the _____ voltage. supply, decreased, voltage, flow, same Circuit2 Circuit2 R 1 R 2 V V 1 V 2 R 1 V V Circuit 1
    6. Measuring voltage in parallel circuits Connect together the circuit shown above and measure, in turn, the voltage at V 1 , V 2 and V 3. V 1 V 2 V 3
    7. Write down your results in the table below : Explain anything you notice about the results. V 3 V 2 V 1 Voltage (V) Voltmeter
    8. Parallel and series circuits

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