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mediumMCQGATE EE 2010 Question Paper (14-Feb-2010) (Shift 1)General
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If the 12 Ω resistor draws a current of 1 A as shown in the figure, the value of resistance R is

image

  1. A
    4 Ω
  2. B
    6 Ω
  3. C
    8 Ω
  4. D
    18 Ω

Solution & Step-by-step Explanation

The circuit is

image

Current in R Ω resistor is

i = 2 – 1 = 1A

Voltage across 12 Ω resistor is,

V = 1 × 12 = 12 V

Practice this question

Try it yourself before checking the explanation above.

If the 12 Ω resistor draws a current of 1 A as shown in the figure, the value of resistance R is

image
A
4 Ω
B
6 Ω
C
8 Ω
D
18 Ω

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