Peoples Physics Book Version-2

(Marvins-Underground-K-12) #1

14.8. Electric Circuits Problem Set http://www.ck12.org



  1. Regarding the circuit to the right.
    a. If the ammeter reads 2 A, what is the voltage?
    b. How many watts is the power supply supplying?
    c. How many watts are dissipated in each resistor?

  2. Three 82Ωresistors and one 12Ωresistor are wired in parallel with a 9 V battery.
    a. Draw the schematic diagram.
    b. What is the total resistance of the circuit?

  3. What will the ammeter read for the circuit shown to the right?

  4. Draw the schematic of the following circuit.

  5. What does the ammeter read and which resistor is dissipating the most power?

  6. Analyze the circuit below.


a. Find the current going out of the power supply
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