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A power consumption of 80 mA means that the device is using 80 milliamperes of current. This measurement indicates the rate at which electrical energy is transferred to the device. It is important to consider this value when determining the overall power usage of the device and ensuring it is within the limits of the power source.

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Can a 100 mA adapter be substituted with a 200 mA adapter?

A 9V 1A adapter will supply up to 9 Watts of power and a 9V 200mA adapter delivers up to 1.8W of power. The 200mA adaptor may not be able to supply enough power to a device that has been supplied with a 1A adapter. The 1A adaptor should operate equipment that originally used a 200mA adapter. Before using a different power supply, check that the outputs are both DC or both AC. If they are both DC, it is important to check that the polarity at the connector is the same for both. If AC and DC supplies are swapped or the polarity is swapped there is a risk that the equipment will be damaged.


Can you use 500 ma power adapter on a device that requires 625 ma?

No, the capacity of the device is too large. The adapter will heat up and may even burn its internal windings open.


How much power is dissipated by a circuit with 15000 ohms of resistance and 10mA of current?

15 KOhms times 10 mA = 150 volts. 150 volts times 10 mA = 1.5 watts.


What is the total power loss if 2 k and 1 k parallel-connected resistors have an IT of 3 mA?

I'm assuming that by ' IT ' you mean ' It ' for 'total current'.-- The effective resistance of 2k and 1k in parallel is 2/3 k ohms.-- The power dissipation is I2R = 0.003 x 2/3 k = 2 watts


Can you use an adaptor with a different mA?

Yes, you can use an adaptor with a different mA rating, but it is important that the voltage matches the device's requirements. An adaptor with a higher mA rating can safely power the device, as the device will only draw the current it needs. However, using an adaptor with a lower mA rating can overload it, potentially causing damage or failure. Always check the manufacturer's specifications for optimal compatibility.

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Yes you can but for devices use 12 v and 500 ma( 0.5 a) <<>> No, the output of the 500 mA power supply will be too small for a device that requires 700 mA to operate. It can be done the other way around though, a 700 mA power supply will operate a device that only requires 500 mA with 200 mA to spare.


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