Many digital multimeters now have a...

Question 1 / 2066636eed28f7522a1c51d780

Question 1 of 2066636eed28f7522a1c51d780

Many digital multimeters now have a capacitance measurement mode. In the absence of this mode, it is possible to test capacitors in the resistance mode. Using the resistance mode, what would be the indication on the display when testing an initially discharged capacitor in good condition?

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🔍 Key Concepts

• How a capacitor charges when connected to a DC source (like the meter’s internal battery in resistance mode) • The difference between behavior of a resistor (steady resistance) and a capacitor (changing apparent resistance over time with DC) • What an initially discharged capacitor does when voltage is first applied

💭 Think About

• When you first connect the meter leads in resistance mode, what does the meter actually apply to the component, and how would a capacitor react to that over time? • Think about what happens to current flow through a good capacitor right at the instant of connection versus after some time has passed with DC applied. • Which option best describes a resistance reading that changes over time rather than staying fixed, and in what direction should it change for a healthy capacitor?

✅ Before You Answer

• Identify which choices show a reading that changes over time vs stays constant. • For those that change, decide whether a good capacitor should look more like a short circuit or an open circuit right at the start, and what it should look like after it charges. • Confirm that the final condition for a good capacitor on DC is effectively no steady current flow, so what kind of resistance reading should that correspond to?

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Question 1 of 20

The display would immediately show "OL or in excess of 200 megohms" and remain at this value.

The display would immediately show "0 ohms or very low resistance" but gradually climb to "OL or in excess of 200 megohms".

The display would immediately show "0 ohms or very low resistance" and remain at this value.

The display would immediately show "0 ohms or very low resistance but rapidly climb to a slightly higher value and remain there.

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Question 1 / 2066636eed28f7522a1c51d780

Question 1 of 2066636eed28f7522a1c51d780

Back

Question 1 of 20

66636eed28f7522a1c51d780

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🔍 Key Concepts

💭 Think About

✅ Before You Answer

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