The resistive network shown below is connected to a D.C. source of 16V. The power consumed by the network is 4 Watt. The value of R is :

Engineering

Physics

Heating Effects of Current and Electric Power

Question

6 $Ω$

1 $Ω$

16 $Ω$

8 $Ω$

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$P = \frac{16^{\hat{2}}}{8 R} = 4$

$∴$ R = 8 $Ω$