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# Test 1 - ECE 3041 Exam No 1 Summer 2006 FRIDAY JUNE 9...

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Unformatted text preview: ECE 3041 Exam No. 1 Summer 2006 FRIDAY JUNE 9, 12—110 PM GTID N0. QQJ \$3 IR 0 Name MEL—— Instructions. Totally Closed Book and Note. Calculator Permitted. Four Equally Weighted Problems. All Work Must Be Shown for Credit. 1. Determine the percentage error due to dc amrneter loading in the measurement of the dc current Im in the circuit shown below. The ammeter has an internal resistance or input impedance of 3.22 (2. As an intermediate step in the solution determine the Thévenin equivalent circuit with respect to the ammeter. 160 220 49mV—1 —. ‘ ~ X + " "gayest 3652M 224{€S{{(iwsygo (l 3"“); . O. 01mm + 199731; \B‘MA/ 0?? wz'ri39(’zrx 2 -' (21¢? E“! g Eth: {3‘ ”EU Rm: Beam. %err0r= ’Kléé 2. Determine the percentage error due to dc voltmeter loading in the measurement of the dc voltage VAAI in the circuit shown below. The dc voltmeter is a Simpson Meter Model 260—7 set to the range just larger than the Thévenin voltage with respect to the voltmeter. ’ The available ranges for the Simpson meter are 1V, 2.5V, 10V, 50V, 250V, 500V, and 1, 000V. As an intermediate step in the solution determine the Thévenin equivalent circuit with respect to the meter. 12k0 30k0 iii-lam aggllz30/womm 30 , deacon? W01»? MX ' , “ . \ , aS’HﬂEQOrWWOMlZ‘K (3043mm; . We; 2 34. 3’85“ \/ mp VFSZQQU‘ 3. Determine the percentage error due to ac voltmeter loading in the measurement of the rms magnitude of the ac voltage VAAI in the circuit shown below. The ac voltmeter is a Simpson Meter Model 260—7 set to the range just larger than the Thévenin voltage with re- spect to the voltmeter. The available ranges for the Simpson meter are 1V, 2.5V, 10V, 50V, 250V, 500V, and 1, 000V. The voltage source is e(t) = 5W5 cos wt where f = 3.22 kHz. As an intermediate step in the solution determine the Thévenin equivalent circuit with respect to the meter. Use rms phasors to solve the problem. (lam/1.3%; A 56k0 A, in (Ft/«lbshll [(52:22 h Raﬁ 37:3 213.8%me L l ’ " (l " Yin. ﬂea”)? :5 2.;— S ,Fe 47 o—§i<.n)\/Fg«zsv2 12. ./ 'a M. >1 E22: gox (30+610\?>ll'l(1{8 \$933 2 WLQRSH‘V C 512+ (We. '27)“ dealers 3 EM: IARQUSWL 2th: I3.E\$L—92ﬂ°_jg=(L %err0r= ’ Zn ' 4. Indicate with an F (ﬂoating) or G (grounded) whether the following laboratory in— struments input or output connectors are ﬂoating or grounded with respect to the ac power line ground ’ __LAgilent 34401A Digital Multimeter _LHewlett Packard 3311A Function Generator _F_Fluke 73 Hand Held Digital Multimeter __(9_Tektronix 3012B Oscilloscope __E.__Agilent 3630A Triple Output dc Power Supply Lgilent 33220A Function Generator / Arbitrary Waveform nerator ..__F__Simpson Model 260—7 Multimeter _l/_Fluke/Philips 6303 LCR Meter The names of the three wires connected to a standard 120 Volt AC outlet are the M.— wire which is covered with M colored insula- tion, the ML wire which is covered with Mcolored insulation, and the ML— which is covered with EEE'N—colored insulation. ...
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Test 1 - ECE 3041 Exam No 1 Summer 2006 FRIDAY JUNE 9...

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