Find the voltage across R3 in the following circuit. 

F1 Eng Arbaz 17-1-24 D6

This question was previously asked in
SSC JE Electrical 4 Dec 2023 Official Paper II
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  1. 4.5 V
  2. 1.5 V
  3. 7.5 V
  4. 2.5 V

Answer (Detailed Solution Below)

Option 4 : 2.5 V
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Detailed Solution

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The correct option is 4

Calculation:

Let I be the current flowing through the circuit.

Applying KLV in the circuit :

9 - I x 3 - I x 10 - I x 5 =0

⇒ I = 9/18 = 0.5 A

The voltage across R3 = 5 x 0.5 = 2.5 V

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