The voltmeter will read 18 volts.

More Questions from Series-Parallel Circuits

• The total resistance in the given circuit can be found using the formula: RT = R1 + R2 || R3 || R4.
• When resistors burn out, they usually short.
• The voltage across R3 is 20 volts.
• The voltage across R1 is 175 volts.
• When a load resistance is connected to the output of a voltage divider circuit, the source current increases.
• The current through R1 is 17 mA.
• A Wheatstone bridge may be used to determine the value of an unknown resistance.
• A loaded voltage divider is a common application of a series-parallel circuit.
• Opens and shorts are typical problems that occur in electric circuits.
• Attaching a 6 kΩ load to a voltage divider will cause a smaller decrease in the output voltage than will attaching a 5 kΩ load.

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