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Two resistors of resistance 2 Ω and 3 Ω are connected in parallel to a cell to draw current 0.5 A from the cell. Calculate the current in each resistor.

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प्रश्न

Two resistors of resistance 2 Ω and 3 Ω are connected in parallel to a cell to draw current 0.5 A from the cell. Calculate the current in each resistor.

संख्यात्मक
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उत्तर

If i is the current through 2 Ω resistance, then (0.5 - i) is the current through 3 Ω resistance.

∴ i × 2 = (0.5 - i)  × 3  ∵ p.d. is same

2i = 1.5 - 3i

2i + 3i = 1.5

5i = 1.5

i = 0.3 A

∴ current through 2 Ω resistance = 0.3 A and

current through 3 Ω resistance = 0.5 – 0.3 = 0.2 A

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अध्याय 8: Current Electricity - EXERCISE - 8(B) [पृष्ठ २०२]

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सेलिना Concise Physics [English] Class 10 ICSE
अध्याय 8 Current Electricity
EXERCISE - 8(B) | Q 22. (b) | पृष्ठ २०२

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