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How can three resisters of resistances 2 ohm ,3 ohm ,and 6 ohm be connected to get a resistance of

a.4 ohm

b.1 ohm?

1
by Pradyumna

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a.4 ohm

b.1 ohm?

by Pradyumna

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The Brainliest Answer!

1/ r = 1/3 + 1/6

= 3/6 = 1/2

r = 2 ohm

now, (2 + 2) ohm = 4 ohm is the reqd. resistance.

(b) three resisters of resistances 2 ohm ,3 ohm ,and 6 ohm should be connected in parallel to get a resistance of 1 ohm.

1/r = 1/2 + 1/3+ 1/6

= 6/6

r = 1 ohm