Consider the network of resistor shown in Fig. 19-40. Answer qualitatively:
(a) What happens to the voltage across each resistor when the switch S is closed?
(b) What happens to the current through each when the switch is closed?
(c) What happens to the power output of the battery when the switch is closed?
(d) Let R1 = R2 = R3 = R4 = 125Ω and V = 22.0V.
Determine the current through each resistor before and after closing the switch. Are your qualitative predictions confirmed?

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