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Self-Test 1
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What are multimeters used to test, in addition to amperage and voltage?
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Pressure
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Humidity
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Resistance
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Temperature
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Analog meters are more popular than digital.
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True
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False
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How many volts are in 2200 mV?
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0.22 V
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2.2 V
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22 V
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220 V
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It is important to turn the circuit off before checking voltage.
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True
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False
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What would happen if you connected the probes backwards when checking voltage?
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Damage to the DDM would occur.
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Damage to the circuit would occur.
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A negative voltage would be read.
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It doesn’t matter which way they go.
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What is one important safety technique when testing electrical circuits?
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Wearing gloves
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Wearing safety glasses
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Using the one-hand technique
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Using the two-hand technique
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The first step when using an autorange DDM is to select the range required.
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True
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False
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A circuit must be broken to test current.
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True
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False
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Is an amperage test done in series or parallel?
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Series
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Parallel
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When is it important to turn off a DDM to extend battery life?
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After checking voltage
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After checking amperage
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After checking resistance
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Never; it turns off automatically
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When the probes are touched together in a resistance test, what should the meter read?
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0
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Infinity
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OL
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Nothing
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How many ohms are in 2.125 kΩ?
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21.25 Ω
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212.5 Ω
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2125 Ω
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21 250 Ω
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What is the name of the test used when testing a circuit for an open?
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Infinity test
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Overload test
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Continuity test
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This test cannot be done.