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Electronics and Communication Engineering Interview Questions and Answers

Question - Difference between electronic and electrical.

Answer - Electronics work on DC and with a voltage range of ­48vDC to +48vDC. If the electronic device is plugged into a standard wall outlet, there will bea transformer inside which will convert the AC voltage you are supplying to the required DC voltage needed by the device. Examples: Computer,radio, T.V, etc...Electric devices use line voltage (120vAC, 240vAC, etc...). Electric devices can also be designed to operate on DC sources, but will be at DCvoltages above 48v. Examples: are incandescent lights, heaters, fridge, stove, etc...

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