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If it is an ammeter designed for DC (direct current) like you have in a car and you connect it in an AC (alternating current) circuit (like you have in your home) it will read zero, even though it is obvious that current is flowing.

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16y ago
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2mo ago

If the ammeter is not showing any value of current when connected to a wire, it could be due to a few reasons: the wire may not be carrying any current, the wire may be broken, or there may be a connection issue between the ammeter and the wire. Check the connections, ensure the wire is intact and current is flowing, and try a different wire to verify if the ammeter is functioning properly.

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15y ago

In a properly balanced split phase system, the power supplied by one hot leg is equal to the power supplied by the other hot leg. Kirchoff's current law states that the sum of the currents at a node is zero. This means that the two hot legs balance each other, and there is no power being supplied or consumed by the neutral leg. This is the ideal situation. If you read a current on the neutral leg, you should try to move loads from one hot leg to the other to attempt to balance the load between legs. This maximizes the efficiency of the transformer, because any significant imbalance represents higher current in one winding versus the other winding.

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Q: An ammeter when connected to wire does not show any value of currentwhy?
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What happens to an ammeter when there is a break in a circuit?

When there is a break in a circuit, the ammeter will show zero current because the circuit is incomplete, and no current can flow. The ammeter essentially measures the flow of current through the circuit, so without a complete path for the current to travel, the ammeter will not register any reading.


What will an ammeter show if the circuit is broken?

Zero. No current is flowing in an open circuit. The ammeter will display an amount of 0 amps because there is no longer any current once the circuit has been broken. An ammeter measures current.


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