5Voltage, Current, and Power

OBJECTIVES: After studying this chapter, you will be able to

  • Describe what the main entities of electric flow are
  • Explain how current is measured
  • Explain how electric voltage is measured
  • Define the units of measure for current and voltage
  • Know what an ammeter is
  • Know what an ohmmeter is
  • Know what a voltmeter is
  • Describe a multimeter and its use
  • Measure the voltage and current in an electric circuit
  • Use an ohmmeter to measure the resistance of a resistor or part of a circuit
  • Use an ohmmeter for testing capacitors and inductors
  • Explain the factors defining electric power
  • Explain the importance of each factor
  • Perform calculations for basic circuits
  • Calculate energy consumption of simple devices

New terms: Ammeter, ...

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