A 4 Ω resistor, A, is connected in series to a 6 Ω resistor, B, and a 2 V battery. The potential drops across A and B are respectively ______.

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RRB Group D 8 Sept 2022 Shift 3 Official Paper
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  1. 1.4 V and 0.6 V
  2. 1.2 V and 0.8 V
  3. 0.6 V and 1.4 V
  4. 0.8 V and 1.2 V

Answer (Detailed Solution Below)

Option 4 : 0.8 V and 1.2 V
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RRB Group D Full Test 1
100 Qs. 100 Marks 90 Mins

Detailed Solution

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The correct answer is option 4)0.8 V and 1.2 V

Given:

Voltage, 

Formula:

The potential drop of individual resistors are connected in series can be found by the formulas:

Calculations:

The potential drop at A is:

The potential drop at B is:

Therefore, the potential drops across A and B are 0.8 V and 1.2 V.

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