THE USE OF MULTIMETERS
A multimeter is an electrical measuring instrument used to test and measure different electrical quantities in a circuit. It is one of the most important tools used by electricians, technicians, and students because it combines the functions of several measuring instruments into one device.
At the end of this lesson, the trainees will be able to:
- identify what is a multimeter.
- list the different types of multimeters.
- learn the different symbols on a multimeter.
- explain the difference between the analogue and digital multimeters.
- identify the functions of a multimeter.
- identify the advantages of the DMMs.
- identify the disadvantages of the DMMs.
- identify the disadvantages of VOMs.
- identify the advantages of the VOMs.
- describe how to use a multimeter to measure voltage in a circuit.
- describe how to use a multimeter to measure current in a circuit.
- describe how to use a multimeter to measure resistance in a circuit.
- discuss how an ammeter is used in a circuit to measure current.
A multimeter is mainly used to measure voltage, current, resistance, and continuity in an electrical circuit. It helps determine whether a power source is supplying the correct voltage, how much current is flowing, and the amount of resistance in components such as wires and resistors. It can also test continuity to determine if a circuit path is complete and identify faults such as broken wires or poor connections.
(Study.com, n.d.)
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PRACTICAL ASSESSMENT AND RUBRIC
ELECTRICAL TECHNOLOGY SOLUTIONS 