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Find 'Vm' in the given circuit. 

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HPCL Engineer Electrical 01 Nov 2022 Official Paper
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  1. 8 V
  2. 2 V
  3. 4 V
  4. 6 V

Answer (Detailed Solution Below)

Option 2 : 2 V
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Detailed Solution

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The correct answer is option 2):(V)

Concept:

Voltage division rule:

The voltage applied across the resistor, R1

The voltage applied across the resistor, R2

Calculation:

Given 

V = 8 V

R1 = 75 Ω 

R2 = 25  Ω ​

 =Vm​

Vm = 8 × ()

= 2 V

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