Suppose one ammeter probe is placed on the low side of a component and the other probe is placed on the high side of the next component in series, while the power to the circuit is on? What will happen and why? Choose the best answer and explanation below. O Nothing. Just as the multimeter is the energy source when measuring continuity and resistance, the ammeter provides the necessary charge to test current. For this reason, current can only be tested when power to the circuit is off. O The LED will get brighter, because there is less resistance in series with the LED after the ammeter is connected. O Nothing. Both ammeter probes are in contact with the same conductor, so both probes are at the same potential. Since there is no potential difference across the ammeter, no current will flow through it. O The entire circuit will stop working temporarilly. The extremely low resistance of the ammeter creates a short circuit that provides an easier path for the current to follow, so no charge will flow through the other circuit components.
Suppose one ammeter probe is placed on the low side of a component and the other probe is placed on the high side of the next component in series, while the power to the circuit is on? What will happen and why? Choose the best answer and explanation below. O Nothing. Just as the multimeter is the energy source when measuring continuity and resistance, the ammeter provides the necessary charge to test current. For this reason, current can only be tested when power to the circuit is off. O The LED will get brighter, because there is less resistance in series with the LED after the ammeter is connected. O Nothing. Both ammeter probes are in contact with the same conductor, so both probes are at the same potential. Since there is no potential difference across the ammeter, no current will flow through it. O The entire circuit will stop working temporarilly. The extremely low resistance of the ammeter creates a short circuit that provides an easier path for the current to follow, so no charge will flow through the other circuit components.
Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
10th Edition
ISBN:9781337399128
Author:Russell E. Smith
Publisher:Russell E. Smith
Chapter15: Residential Air-conditioning Control Systems
Section: Chapter Questions
Problem 19RQ
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