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1) resultant resistance is 6 ohm
2) current flowing in the circuit is 2ampere
3) potential difference across the resistance R1 is 8V
Explanation:
1) the resistance r3 and r2 are in parallel combination.
ie, equivalent resistance becomes 3 ohms
this is in series combination with the resistance R1
so the total equivalent resistance becomes 6 ohms .
2) as we got the resistance and the potential difference is given
using ohm's law I=V/R
the current is 2 A.
3) potential difference across a particular resistance can be found by the same relation given in (2)
using the value of R as 4 ohms
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