Question

with the help of a circuit diagram prove that when a number of resistors are connected in parallel the reciprocal of equivalent resistance of the combination is equal to the sum of the reciprocals of the individual resistances of the resistors find the resistance between A and B in the following network​

Answer 1

take your answer ... i hope its help you....

Answer 2

Answer:

ᴛʜᴇ ʀᴇᴄɪᴘʀᴏᴄᴀʟ ᴏғ ᴇǫᴜɪᴠᴀʟᴇɴᴛ ʀᴇsɪsᴛᴀɴᴄᴇ ᴏғ ᴀ ɢʀᴏᴜᴘ ᴏғ ʀᴇsɪsᴛᴀɴᴄᴇs ɪs ᴇǫᴜᴀʟ ᴛᴏ ᴛʜᴇ ᴊᴏɪɴᴇᴅ ɪɴ ᴘᴀʀᴀʟʟᴇʟ ɪs ᴇǫᴜᴀʟ ᴛᴏ sᴜᴍ ᴏғ ᴛʜᴇ ʀᴇᴄɪᴘʀᴏᴄᴀʟs ᴏғ ɪɴᴅɪᴠɪᴅᴜᴀʟs ʀᴇsɪsᴛᴀɴᴄᴇs