How to save a JSON object to a file using Powershell?

Question

I have converted the following JSON file to powershell representation object.

{
\"computer\": [
    {
        \"children\": [   
            {   
                        


        

Answer 1

Just pipe it to Set-Content, or Out-File:

Get-Process powershell |
 ConvertTo-Json | 
 Set-Content json.txt