(II) A close inspection of an electric circuit reveals that a 480-Ohm resistor w

Question

(II) A close inspection of an electric circuit reveals that a 480-Ohm resistor was inadvertently soldered in the place where a 320-Ohm resistor is needed. How can this be fixed without removing anything from the existing circuit? (II) Determine (a) the equivalent resistance of the circuit shown in Fig. 19-39, and (b) the voltage across each resistor. FIGURE 19-39 Problem 17. (II) A 75-W, 110-V bulb is connected in parallel with a 40-W, 110-V bulb. What is the net resistance? (III) Consider the network of resistors shown in Fig. 19-40. Answer qualitatively: (a) What happens to

Explanation / Answer

820||680=371.73 so the Req=470+371.73=841.73 voltage across 820 & 680 wlll b equal &= 371.73/841.73*12=5.299v voltage acrocc 470 is 12-5.299=6.7v

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