The cool box can be powered by a cigarette lighter adapter. These adapters are capable of 10 amps and the car is protected with a 10 amp fuse.
A 48 watt cool box draws 4 amps. 48 watts / 12 volts = 4 amps.
If the device drew more than 10 amps it would have to be connected to the car battery directly.
Plus twelve volts if you're in physics.
nothing as pennies do not fit into the wall outlets...they will however fit into CAR 12V ROUND outlets
0.069444444444444444444444444444444444 ohms. P/E^2=R. P = power in watts. E = electricity in volts. R = resistance in ohms.
Ohms are the unit of resistance you find in Ohms LAw which says Volts = Amps x Ohms. You can get a voltage drop across a resistance, but would have to know what current is being used and you would have a potentiometer in effect. You are not "converting 12V" to 10V, your are essentially loosing two volts through a resistor.
9w to 13w is not a big jump, but you need to check the fuse rating, which will have been chosen to limit the current to a safe level for the wiring, to see if the extra current is still within the fuse rating. Is this in an auto? If at 12v the current will rise from 0.75 amp to 1.08 amp. You should also check the lamp holder to see if there is a power limit stamped or printed on it.
Yes
No, the replacement adapter has to be of an equal or greater value but never lower.
wherw can i buy a 12v23va adapter
i need a 12V 55VA Adapter for my Christmas Tree where can i get one and quickly
No. If it works at all, it will be underpowered, and possibly damage the speakers. To power 12V speakers, you have to have an adapter with EXACTLY 12V (no more, no less), and at least 1A. You could hook up a 12V 4A adapter if you wanted to, your speakers would just only draw 1A of power. Make sure you use a 12V adapter though!!
The main difference is the amount of current each power adapter can supply. The 12V DC 3A power adapter can provide up to 3 amps of current, which means it can power devices that require more current compared to the 12V DC 1.5A adapter. This can affect the compatibility and performance of devices connected to the adapters.
No, you cannot use a 12V 0.6A (7.2W) adapter instead of a 12V 1.5A adapter. The 0.6A adapter provides insufficient current for devices that require 1.5A, potentially leading to underperformance or damage to the device due to inadequate power supply. Always match the voltage and ensure the current rating of the adapter meets or exceeds the device's requirements.
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.
input voltage is strictly according to applications. If use 12V dc adapter power 5V dc device, the 5v dc device would be damaged.
ful circut diagram ac to dc adapter 12v dc
I wouldn't recommend it ! If the device needs to draw more current than is available - the adapter could overheat, posing a fire risk.
It will take longer to charge the device