Physics
Grade-9
Easy
Question
Identify the step which is not correct in measuring the current by an ammeter.
- Plug the probes into the meter.
- Connect the red probe with the negative end of any of the electrical components of the circuit and the black probe with the positive end.
- Your ammeter is in series to the component.
- Check the units displayed on the ammeter. Note the readings in those units.
Hint:
Black probe in the ammeter is to direct the current away from the device.
The correct answer is: Connect the red probe with the negative end of any of the electrical components of the circuit and the black probe with the positive end.
- Ammeter is the device that is used for measuring the current in the circuit.
- It is connected into the circuit in series combination.
- It contains two probes; red probe and black color probe.
- Black color probe is connected to the negative terminal of the device as it is use to carry the current away from the device.
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