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19 December, 01:18

True / False:

O An ammeter must be placed in parallel with a resistor to measure the current through the resistor.

O A voltmeter is used to measure voltage.

O A voltmeter has a small internal resistance.

O An ammeter is used to measure current.

O A voltmeter must be placed in parallel with a resistor to measure the voltage across the resistor.

O An ammeter has a large internal resistance.

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Answers (1)
  1. 19 December, 04:54
    0
    Answer: 1. False, an ammeter must be placed in a series connection to experience the same current which it is measuring

    2. True, a voltmeter measures voltage (electric potential) in volts

    3. False, a voltmeter should have high internal resistance such that it does not significantly alters current in a circuit.

    4. True, a meters measure current

    5. True, voltmeter would measure electric potential across a resistor

    6. False, since they tend to influence the current in a circuit, ideally it should have very low resistance near zero
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