1. The ammeter should be connected in series in the circuit
2. The connection of the positive and negative terminals should be correct: the current flows in from the positive terminal and flows out from the negative terminal.
3. The measured current should not exceed the range of the ammeter.
4. It is absolutely not allowed to connect the ammeter directly to the poles of the power supply without passing through the appliance.
1. Confirm the range of the current meter currently in use.
2. Confirm the current value represented by each large cell and each cell.
Try it first, and solve it first when something goes wrong.
(1) The pointer is not deflected,
(2) The pointer is deflected too much and the ammeter will explode.
(3) The pointer deflection is small,
(4) Pointer reverse deflection.
How to use ammeter
1. The ammeter should be connected in series in the circuit
2. The connection of the positive and negative terminals should be correct: the current flows in from the positive terminal and flows out from the negative terminal.
3. The measured current should not exceed the range of the ammeter.
4. It is absolutely not allowed to connect the ammeter directly to the poles of the power supply without passing through the appliance.
1. Confirm the range of the current meter currently in use.
2. Confirm the current value represented by each large cell and each cell.
Try it first, and solve it first when something goes wrong.
(1) The pointer is not deflected,
(2) The pointer is deflected too much and the ammeter will explode.
(3) The pointer deflection is small,
(4) Pointer reverse deflection.
2. The connection of the positive and negative terminals should be correct: the current flows in from the positive terminal and flows out from the negative terminal.
3. The measured current should not exceed the range of the ammeter.
4. It is absolutely not allowed to connect the ammeter directly to the poles of the power supply without passing through the appliance.
1. Confirm the range of the current meter currently in use.
2. Confirm the current value represented by each large cell and each cell.
Try it first, and solve it first when something goes wrong.
(1) The pointer is not deflected,
(2) The pointer is deflected too much and the ammeter will explode.
(3) The pointer deflection is small,
(4) Pointer reverse deflection.
How to use ammeter
1. The ammeter should be connected in series in the circuit
2. The connection of the positive and negative terminals should be correct: the current flows in from the positive terminal and flows out from the negative terminal.
3. The measured current should not exceed the range of the ammeter.
4. It is absolutely not allowed to connect the ammeter directly to the poles of the power supply without passing through the appliance.
1. Confirm the range of the current meter currently in use.
2. Confirm the current value represented by each large cell and each cell.
Try it first, and solve it first when something goes wrong.
(1) The pointer is not deflected,
(2) The pointer is deflected too much and the ammeter will explode.
(3) The pointer deflection is small,
(4) Pointer reverse deflection.
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