A: It certainly can provided the voltage output must are equal
If a cassette adapter requires power, it'll have a power plug, but even then, unless it is being used, should not be drawing power.
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.
No, a power adapter must supply the same voltage, same polarity, and at least as much current as the load requires. Your adapter can only supply 300mA, which is less than the 700mA required by the load.Your game probably will not turn on and the power adapter may be damaged.
Laptop power supplies can certainly be purchased separately. If you lost only a detachable cord it is an inexpensive replacement, but if you lost a cord including the pwoer adapter "brick" it is more expensive.
The USB hub can supply power through the USB cable itself. Sometimes, the device requires more power than the hub can provide. In that case, there is usually a power adapter to an outlet in your house to power it and a USB cable to make the connection. Also USB cord supplies power to devices that require less than 500mA(milliamperes) current.
A 12v AC adapter can be use to power devices that requires 12VDC and up to 500mA. It can also be use with electrical devices that require power but do not contain internal components to derive the required voltage and power from the main power.
The Sony GVD200 Portable VCR requires a 3.5 watt external power adapter.
No, the capacity of the device is too large. The adapter will heat up and may even burn its internal windings open.
Yes! you need to use a power adapter as well a plug adapter in Egypt from the UK.
Yes, the power adapter is compatible with the Kindle
The device is compatible with a USB-C power adapter.
You may have blown the circuit. Does the circuit work before you connect the adapter? If so perhaps the adapter is faulty.