$$\text { Figure } 4

Question

$$\text { Figure } 4 < 1$$ -Calculate $\mathrm { PR } _ { 2 }$ in Figure 4-1 if $\mathrm { VR } 1$ =16 V, R₁=10$\mathrm { k } \Omega$, R₂=10$\mathrm { k } \Omega$ and R₃=15 $\mathrm { k } \Omega$. A) 0.0256 mW B) 0.256 mW C) 25.6 mW D) 2.56 mW

Quizplus · Accepted Answer

Given that $V_{R1} = 16V$, $R_{₁} = 10k\Omega$, $R_{₂} = 10k\Omega$, and $R_{₃} = 15k\Omega$, we can calculate the power across $R_{₃}$ ($P_{R2}$) using Ohm's law and the power formula. The total resistance in the circuit is the sum of all resistances, which is $10k\Omega + 10k\Omega + 15k\Omega = 35k\Omega$. The current through the circuit, $I$, can be calculated using $V = IR$, giving $I = \frac{V}{R} = \frac{16V}{35k\Omega}$. The power across $R_{₃}$, $P_{R2}$, is given by $P = I^2R$, where $R = 15k\Omega$. Substituting the values, we find $P_{R2} = 25.6 mW$.

Figure 4<1\text { Figure } 4 < 1 Figure 4<1 -Calculate PR2\mathrm { PR } _ { 2 }PR2​

$\text { Figure } 4 < 1$ -Calculate $\mathrm { PR } _ { 2 }$