Question

What is right hand thumb rule

Answer 1

the directions of the cross product may be found an application of the right hand rules as follows: ◆ the index finger points in the direction of the momentum VictorV
◆the middle finger in the direction of the magnetic field VictorB
◆the thumb points the direction of the cross product F.

Answer 2

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Iᴍᴀɢɪɴᴇ ᴛʜᴀᴛ ʏᴏᴜ ᴀʀᴇ ʜᴏʟᴅɪɴɢ ᴀ ᴄᴜʀʀᴇɴᴛ-ᴄᴀʀʀʏɪɴɢ sᴛʀᴀɪɢʜᴛ ᴄᴏɴᴅᴜᴄᴛᴏʀ ɪɴ ʏᴏᴜʀ ʀɪɢʜᴛ ʜᴀɴᴅ sᴜᴄʜ ᴛʜᴀᴛ ᴛʜᴇ ᴛʜᴜᴍʙ ᴘᴏɪɴᴛs ᴛᴏᴡᴀʀᴅs ᴛʜᴇ ᴅɪʀᴇᴄᴛɪᴏɴ ᴏғ ᴄᴜʀʀᴇɴᴛ. Tʜᴇɴ ʏᴏᴜʀ ғɪɴɢᴇʀs ᴡɪʟʟ ᴡʀᴀᴘ ᴀʀᴏᴜɴᴅ ᴛʜᴇ ᴄᴏɴᴅᴜᴄᴛᴏʀ ɪɴ ᴛʜᴇ ᴅɪʀᴇᴄᴛɪᴏɴ ᴏғ ᴛʜᴇ ғɪᴇʟᴅ ʟɪɴᴇs ᴏғ ᴛʜᴇ ᴍᴀɢɴᴇᴛɪᴄ ғɪᴇʟᴅ, ᴀs sʜᴏᴡɴ ɪɴ ᴀʙᴏᴠᴇ ᴘɪᴄᴛᴜʀᴇ. Tʜɪs ɪs ᴋɴᴏᴡɴ ᴀs ᴛʜᴇ ʀɪɢʜᴛ - ʜᴀɴᴅ ᴛʜᴜᴍʙ ʀᴜʟᴇ.

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