A. Understanding resistor values 1. Pick 2 resistors. Compute resistance using the color table presented in figure 1. 2. Now measure the resistance using the voltmeter. 3. Fill the table below. Show any one calculation to your teaching assistant.
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- cmid 97298page=3 For the following circuit in the figure below consider the direction of the current given. Determine e ( in units of V) when 10.50 A and R = 27.4 2. R 2R 2R Select one: OA. 13.7 OB. 54.1 OC. 822 OD. 18 2 OE 68.5 W. A OE d0 ENG 228 PID. Parallel circuit as a current divider A V, R1 R2 For the circuit shown above use Kircho's laws to compute the current Il across R1 and I2 across resistance R2, each as function of only R1, R2 and total current I and write it below Il ; 12 =. Now choose R1 and R2 such that the ratio of voltage I1/I2 is 10. R1 ; R2 = Now build the circuit and compare the theoretical value with the measured value. experimental (I1/I2) theoretical= 10; (I1/I2) Be careful about how you connect the multimeter to measure the current. Show the measured current ratio to the teaching assistant for credit.0₁ 0₂ A hemispherical grounding electrode of radius a = 1m is buried into the earth as shown in the cross-sectional figure above, but it happens to be right at the boundary of two types of soil with different conductivities. The conductivities are given by ₁ = 2 × 10-³ S/m and 02 = 8 x 10-³ S/m. The intensity of the current flowing into the electrode is I = 50 A. Answer the following questions, remembering to state and justify any assumptions you are making in your derivation: 1. What is the grounding resistance of the (entirety of the) earth in this configuration? Assume the soil extends to infinity in the region below the air/soil interface. 2. How much power is lost due to Joule/Ohmic heating in each of the two regions of the two types of soil?
- Q3: 42. Find and graph the charge q(t) and the current i(t) in the LC-circuit in Fig. 151, assuming L 1 H, C = 1 F, v(t) = 1 - e-t if 0 T, and zero initial current and charge. v(t) Fig. 151. LC-circuitFIGURE B 2452 62 18 M 3652 305 3. What would be the Equivalent Resistance, Equivalent Voltage, and Total Power in Figure B if it has 8 amperes of flowing current?The wires shown in the figure carry currents as noted. Which one of the following statemehts IS correct? IA Ic O lA + IB = Ic+ ID O IB - lA + Ic = ID O IB + Ic + Ip = lA O la + Ic = IB + ID O lc = lA + IB + ID
- 3. A circular conductor of radius po = 1 cm has an internal field H=¹0^(½-sin(ap)——cos(ap)}a, (A/m) where a = π/(2po). Find the CS Scanned with CanScanner total current in the conductor.What does the multimeter read? SouA, 100my/ 4 6. 10 20 10 6 20 30 20 30 V.A 50 10 200 00 30 2k 1k 500 V- 20 kn/ v V 6,66 k/ V 07028.01 PHYWE 07028.01 N LM 1121 A x 100 x 10 100mV x1 50μΑ • 3m 3 • 30m A • 300m 10 3 30. CV:OA exp1.pdf > Calculate the value of each resistor below based on its color code. Table 2-2 O0os Table 2-3 OORS Table 2-4 YVRG Table 2-5 RRR G Table 2-6 RBBG Table 2-7 BBRG Table 2-8 YVRS Table 2-9 YBOG Table 2-10 BBOG Table 2-11 RBRG Fig.(3) 3. Record resistor colors gave to its value in below : 4.7 KO+5% , 9100 +10% , 12 Q t5%, 6.8ΚΩ 20% ...
- The density of charge carriers far copper is 8.471028 electrons per cubic meter. What will be the Hall voltage reading from a probe made up of 3cm2cm1cm ( (LWT) ) copper plate when a current of 1.5 A is passed through it in a magnetic field of 2.5 T perpendicular to the 3cm2cm .In the saturation region (I-V characteristics) of JFET the value of D18 ssmemanmnssnes at specific (VGS = * .negative voltage ) a. b.c.d a: constant O b: zero O c: maximum O d: Bothaandc O2. A = area -L = length - Calculate the resisitance per unit length of a Nichrome wire of a. |=-W Radius 0.321mm. (Resistivity Nichrome= 150x10* Q.m) p = resistivity of R b. If a potential differnces of 10 V is maintained across a 1 m length of the Nichrome wire, what is the current in the wire? 4.00 kO