Describe how you would connect a voltmeter to measure the

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1) To work on your car at night, you use an extension cord to connect your work light to a power outlet near the door. How would the illumination provided by the light be affected by the length of the extension cord?

2) Describe how you would connect a voltmeter to measure the potential difference across a resistor and an ammeter to measure the current though a resistor.

3) Are the various electrical devices in your house (lamps, appliances, etc.) connected in series or in parallel? How can you tell by using only a voltmeter?

4) A circuit contains three resistors of values: 24 ohms, 110 ohms, and 76 ohms. What is the equivalent resistance of the resistors when they are connected: a) in series? b) In parallel?

5) If the three resistors from problem 4 are connected in parallel with a 12 V power supply, what is the current through the 24 ohm resistor?

Reference no: EM13614756

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