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What is the voltage across a device that draws 2A and dissipates 12w?
The voltage across a DC device that draws 2A and consumes 12Wh/h is 12/2 or six volts.
Will a 5V 2.5A adapter damage a device that requires a 6V 2A adapter?
No, underpowering will not "power" the device, it will not run. You must get an adapter that is 6V and (2A or higher) will be ok as well.
When solving this equation 4a - 3 2a 7 what is the value of a?
If you mean: 4a-3 = 2a+7 then the value of a works out as 5
For a device requireing 12v 1.5A will a DC adaptor output 12v 2A also work for this device?
Yes, a DC adaptor outputting 12V and 2A will work for a device that requires 12V and 1.5A. The adaptor can provide up to 2A, which means it can supply the necessary current without overloading. Just ensure that the voltage matches (12V) and the polarity is correct for safe operation.
Can you use a dc 5v 2a for a device 4.5v 1.5a?
Yes, you can use a 5V 2A power supply for a device that requires 4.5V and 1.5A, but you need to be cautious. The voltage is higher than what the device requires, which could potentially damage it. It's best to use a power supply that matches the voltage specifications of the device, or to use a voltage regulator to step down the voltage to 4.5V. The 2A rating indicates that the power supply can provide more current than needed, which is fine as the device will only draw the current it requires.
Can a 12V 2A adapter be used for a 12V 500mA device?
The adapter's voltage must match that of the device, and its current-rating must exceed that of the device. So the answer is yes.
Is it ok to use a 5V 2a adapter on device that requires 4.5V DC 700 mA?
No
Can you use a 12 VDC 2A adaptor on a 12 VDC 1A device?
Yes, there will be no problem with this adapter. The 1 amp device will only be drawing half of what the adapter can produce.
Solve P equals 2a plus b for b?
Let's solve this equation together, friend. To isolate b, we can start by subtracting 2a from both sides of the equation. This will leave us with b equals P minus 2a. Remember, there are many ways to approach a problem, and it's all about finding the one that works best for you.
What is 2a times 3?
Since the question is 3(2a), then just write it out. 3(2a) is 2a+2a+2a or 6a.
How do you get 44 from -4a 5 -2a -9 when a is the same thing?
If you mean: -4a+5-2a-9 = 44 then 'a' works out as -8 Check: -(4*-8)+5-(2*-8)-9 = 44
How do you solve 2a 7b 2a - 7b?
2a+2a-7b+7b =4a
