find resistance between A and B
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let resistance between And B be R ohms
according to question -
1/R= 1/2+2 + 1/4
1/R= 1/4+1/4
1/R=2/4
1/R=1/2
R= 2 ohms
EXPLANATION --- THE TWO 2 OHM RESISTANCE ARE IN SERIES. SO THERE EQUIVALENT RESISTANCE IS 4 OHMS. THE TWO 2 OHM RESISTORS ARE IN PARALLEL TO THE 4 OHM RESISTORS .
according to question -
1/R= 1/2+2 + 1/4
1/R= 1/4+1/4
1/R=2/4
1/R=1/2
R= 2 ohms
EXPLANATION --- THE TWO 2 OHM RESISTANCE ARE IN SERIES. SO THERE EQUIVALENT RESISTANCE IS 4 OHMS. THE TWO 2 OHM RESISTORS ARE IN PARALLEL TO THE 4 OHM RESISTORS .
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