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IRWIN 9e 4_51 - Irwin Basic Engineering Circuit Analysis...

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Unformatted text preview: Irwin, Basic Engineering Circuit Analysis, 91E 1 4.51 A Ell-fl shunt resistor is used to measure current in a fuel—cell circuit. The voltage drop across the shunt resistor is to be used to measure the current in the circuit. The maximtu'n current is 242! A. Design the circuit shown in Fig. P4.51 so that a wltmeter attached to the output will reazl '0 volts whenthe crureut is (island 20V when flleclureutislflA.Becarefir]oottoloedtheshunt resistor, since loading will CfllJSB an inaccurate reading. thmeler Flgure P461 SOLUTION: circuit and v0 = 20v Chapter 4: Operational Amplifiers Problem 4.51 2 Irwin, Basic Engineering Circuit Analysis, 9/E a gain (9,; lo 425 mam with a barium mp“; .TAQ (jg-amp Ahoufld bit a %Ofl—lhm%}i'm3 Con/figcunh‘an ~ IO: "lL Q1 lXIo3 R1: QK_(2. Problem 4.51 Chapter 4: Operational Amplifiers ...
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