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In the circuit shown above, which of the following relations is correct?

This question was previously asked in
MPPGCL JE Electrical 28 April 2023 Shift 1 Official Paper
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  1. E = I(R1 + R2 - R3)
  2. E = I(R1 + R2 + R3)
  3. E = I(R1 + R2)
  4. E = I(R1 - R2)

Answer (Detailed Solution Below)

Option 3 : E = I(R1 + R2)
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MPPGCL JE Electrical Full Test 1
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100 Questions 100 Marks 120 Mins

Detailed Solution

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Concept

When any wire is connected in parallel with a resistance, the current flows through the short circuited path.

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Applying KVL as per current direction:

\(-E+I(R_1+R_2)=0\)

\(E=I(R_1+R_2)\)

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