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Is there a difference between a 9-volt 200mA power cord and a 9-volt 2 amp power cord?
Wiki User
∙ 15y ago
Yes, one outputs 200 mA of current and one outputs 10x that much current. There is also a very good chance that the circular plug will be a different size.
Wiki User
∙ 15y ago
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Can a 9 volt 1000 m a adapter replace a 9 volt 200 m a adapter- the polarity is the same-this is not bein used as a charger its being used to power a guitar effect pedal in place of 9volt battery?
Some 9 V adapters rated for 1000 mA will provide 9 V at 1000 mA. If you use it on a 200mA device the voltage may go up to 10-15 V and if that device can not handle the higher voltage, it it could burn out. Better adapters will only put out 9 V exactly and have no problem. Be careful of revere polarity where the positive on one is the negative pin for the other adapter.
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