Question

Solve this

Chapter - electricity

Answer 1

Heya.....!!!

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Nice Question ! :)

=> If we see the diagram carefully then there is a zero resistance across R1 . So R1 is nothing in this question that is there is no use of R1 in the question !! .

=> R2 and R3 are connected in Parallel .

Then the equivalent of R2 and R3 will be Series with R4 and R5 .

Now according to the question each resistor is of 2 ohm .

→ 1 / R2 + 1 / R3. => 1 / 2 + 1 / 2 = 1 ohm

=> ( 1 + R4 + R5 )

=> ( 1 + 2 + 2 ) = 5 ohm

Equivalent Resistance ( Re ) => 5 ohm

Current through battery ( i ) => V / Re

=> i = 5 / 5 = 1 A .

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Main thing to notice in this question is zero resistance wire across R1 , and Then there is no use of R1 in the question .

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Hope It helps You ☺