Which of the following statements are true? (Select all that apply.) Voltmeters
ID: 2238286 • Letter: W
Question
Which of the following statements are true? (Select all that apply.) Voltmeters have a relatively high resistance and are placed in series with a resistor. Ammeters have a relatively high resistance and are placed in parallel with a resistor. Ammeters have a very low resistance so as to not significantly alter the total resistance of a circuit. Voltmeters have a very low resistance and are placed in parallel with a resistor. Ammeters have a relatively high resistance and are placed in series with a resistor. Ammeters have a relatively low resistance and are placed in parallel with a resistor. Voltmeters have a relatively high resistance and are placed in parallel with a resistor. Voltmeters have a very low resistance and are placed in series with a resistor. Ammeters have a very low resistance and are placed in series with a resistor.Explanation / Answer
Here ,
voltmeter are used to measure voltages across a resistor ,
voltmeter is connected in Parallel , and for zero current in the voltmeter ,
and for ammeter , it is used to measure current in the resistor ,
it is connected in series and it has low resistance , so there the current in the resistor stays the same .
Hence , the correct statements are :
Voltmeters have a relatively high resistance and are placed in parallel with a resistor.
Ammeters have a very low resistance and are placed in series with a resistor.
Ammeters have a very low resistance so as to not significantly alter the total resistance of a circuit.
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