9. The equivalent resistance between P and Q will be
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Resistance in parallel
Req = 1/2 + 1/2+1/2
= 1+1+1/2
= 3/2ohm
also
now in series
1ohm + 3/2 ohm
1+3/2ohm
2+3/2ohm
5/2ohm
2.5 ohm.
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somya20022008:
but the options are a)7 b)2c)5/3d)1
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