Physics

Physics

Problem

A 2 kΩ2\,\text{k}\Omega resistor is connected in series with an unknown resistor RxR_x to a 20 V20\,\text{V} ideal source. If the potential difference across RxR_x is required to be 5 V5\,\text{V}, the nearest integer value of RxR_x should be a) 2 kΩ2\,\text{k}\Omega b) 500 Ω500\,\Omega c) 667 Ω667\,\Omega d) 8 kΩ8\,\text{k}\Omega

Browse the problem library