# HW5 - 4.71 A 1voltmeter with a resistance of 85.5 kn is...

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Unformatted text preview: 4.71 A 1voltmeter with a resistance of 85.5 kn. is used to ”FF: measure the 1wattage u“, in the circuit in Fig P431. a) What is the voltmeter reading? IUL‘EIHI h] What is the percentage of error in the voltmeter reading it the percentage of error is deﬁned as [{measured — actuaiyactuai] X 100‘? Fiwrl PM: 1H}- 433 Find the Norton equivalent with respect to the ter— PSHIE minals a,h tor the circuit seen in Fig. P433. 4.1'6 When an ammeteris used to measure the current [g “PIE in the circuit shown in Fig. P436, it reads 6A. a} What is the resistance of the ammeter‘? h} What is the percentage of error in the current measurement? Filull PLTE LEI} 4.?! Find the Thevenin equivalent with respect to the terminals a,h in the circuit in Fig. PALTT. Figure FLT? 1s a. 4.13 Find the Norton equivalent with respect to the terr minals a,h for the circuit seen in Fig. P438. FiIuI'I Pi.“ Section 4.12 4.19 The variable resistor in the circuit in Fig. P439 is -‘E‘E’E. adjusted for maximum power transfer to Rs. ILILTEI a} Find the value of RE. h} Find the maximum power that can he delivered to En. c) Find a resistor in Appendix H closest to the value in part {a}. How much power is delivered to this resistor? Figure FIJI! 4.33 The variable resistor {Ra} in the circuit in Fig. ELSE is £15.. adjusted until the power dissipated in the resistor is "m 25H W. Find the values of lit.J that satisfy this condition. Fig."- “.33 4.3? The variable resistor (EL) in the circuit in Fig. P43? PM?" is adjusted for maximum newer transfer to KL. mm 3] Find the numerical value of RL. h} Find the maximum p-uwer transferred tu R1, Finn: FILE? ...
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