hey it is a question of topper test but it was not clearly mentioned so please clearly give the ans.
Asked by
| 2nd Feb, 2010,
11:09: PM
Dear student,
When a total current IP is passed through parallel connected resistances R1 and R2, the voltage VP which appears across the parallel circuit is:
VP = IPRP = IPR1R2 / (R1 + R2)
The currents I1 and I2 which pass through the respective resistances R1 and R2 are:
I1 = VP / R1 = IPRP / R1 = IPR2 / (R1 + R2)
I2 = VP / R2 = IPRP / R2 = IPR1 / (R1 + R2)
Hence Assuming I2 to be the current passing through the 2 ohm resistor,
0.8 amps.
Hope this helps.
Regards
Topperlearning.com
Answered by
| 2nd Feb, 2010,
11:24: PM
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