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InterviewSolution
| 1. |
Give the dimensions of permeability of free space |
| Answer» <html><body><p></p><p><img align="absmiddle" alt="\huge\red{\mid{\fbox{\tt{ᴀɴsᴡᴇʀ }}\mid}}" class="latex-formula" id="TexFormula1" src="https://tex.z-dn.net/?f=%5Chuge%5Cred%7B%5Cmid%7B%5Cfbox%7B%5Ctt%7B%E1%B4%80%C9%B4s%E1%B4%A1%E1%B4%87%CA%80%20%7D%7D%5Cmid%7D%7D" title="\huge\red{\mid{\fbox{\tt{ᴀɴsᴡᴇʀ }}\mid}}"/></p><p></p><p>sᴏ, ᴛʜᴇ ᴜɴɪᴛ ᴏғ ᴘᴇʀᴍɪᴛᴛɪᴠɪᴛʏ ᴏғ ғʀᴇᴇ sᴘᴀᴄᴇ = ᴀ2s4ᴋɢ−1ᴍ−3 = ғᴍ−1. ʜᴀᴠɪɴɢ ᴛʜᴇ sᴀᴍᴇ ғᴏʀᴍᴜʟᴀ ᴀs ᴘᴇʀᴍɪᴛᴛɪᴠɪᴛʏ, ᴛʜᴇ ᴅɪᴍᴇɴsɪᴏɴ ᴏғ ᴘᴇʀᴍɪᴛᴛɪᴠɪᴛʏ ᴏғ ᴠᴀᴄᴜᴜᴍ ɪs ᴀʟsᴏ [ᴍ−1ᴀ2ᴛ4ʟ−3].</p></body></html> | |