PHYS_2&12_Lab 4_Lab Sheets

A battery with E = 39 V and negligible internal resistance is connected to a voltage conductor as shown in the figure.R1=220 R2=68  a) What is the voltage U if no external load is connected? ____________ b) What is the current between A and B if these connections are short-circuited.____________ c) What is U if a load with a resistance of 68 is connected between A and B?____________ d) What is the power of the circuit if a load with a resistance of 68 Ω is connected between A and B? ____________

Make a research question regarding with these topics A. Solar Powered Light Post B. Underground Cables C. Covered Bike Lane of Solar Panels

A cone meter rod 2 cm diameter is drawn until its resistance is 100 times the initialresistance. Its length afterward is _________.

Determine the current, voltage and power dissipated by each of the 6 resisters in the following circuit: R47:     V:_______   I:_______   P:_______ R16:    V:_______   I:_______   P:_______ R5:     V:_______   I:_______   P:_______ R40:    V:_______   I:_______   P:_______ R22:    V:_______   I:_______   P:_______ R2 :     V:_______   I:_______   P:_______

In the figure, the ideal batteries have emfs ℰ1 = 25.0 V and ℰ2 = 0.500ℰ1, and the resistances are each 2.14 Ω. (a) What is the current in resistor 2? ______________A(b) What is the current in resistor 3? ______________A (please show the units when working through the problem so that I can follow it easier)

Suppose the current in this circuit is I = -35 A. The voltage drop across each circuit element is as given in the table below. From this information, determine, for each of these circuit elements, (i) whether an active or passive sign convention is being used for that element, (ii) whether that element is absorbing or producing a net (positive) amount of electrical power. In each answer box within the table below, type the correct choice from among the bold-faced words above. - A A B C A + с B + V₂ Circuit element Voltage drop Sign convention? Absorbing or producing net electrical power? -5 V -6 V 1 V -

In the figure below, R1 = 175 Ω, R2 = 55 Ω, and the ideal batteries have emfs ℰ1 = 8.0 V, ℰ2 = 5.5 V, ℰ3 = 2.0 V. (a) Find the current in resistor 1. ______________A(b) Find the current in resistor 2. ______________A(c) Find the potential difference between points a and b. ______________V (please show the units when working through the problem so that I can follow it easier)

Ohm's Law states that the electric current flowing though a ________ is directly proportional to the ________. Select one: a. closed circuit --- total resistance b. closed circuit --- switch resistance c. open circuit --- supply voltage d. closed circuit --- supply voltage

In a parallel circuit, certain general rules may be stated with regard to quantities of voltage, current, resistance and power. Express these rules, using your own words: “In a parallel circuit, voltage _______________________________________________________________________________________ “In a parallel circuit, current _______________________________________________________________________________________ “In a parallel circuit, resistance _______________________________________________________________________________________

Please answer in typing format

iF AN AMMETER WAS CONNECTED BETWEEN SWITCH1 AND POTENTIOMETER R1, HOW MUCH CURRENT WOULD IT INDICATE AT E(min) and E(max) IE(min)=__________________________mAdc IE(max)=__________________________mAdc

Three types of electric devices A, B, and C are connected in series across a 115-volt a-c source, and the voltage drops across the individual units are equal. If Eв leads EA by 90 electrical! degrees_____Ec______behind Ex by 90 electrical degrees, what are the emfs across A,B,and C?

NUMBER SYSTEM ADDITION 10111 BASE 2 + FEED BASE 16 + 321 BASE 8 = ____________ BASE 8 1020 BASE 10  + 101111  BASE 2  + 212 BASE 8 = ___________BASE 16 F12 BASE 16 +  FAAA BASE 16 + CDA BASE 16 = ____________BASE 8 1011 BASE 2 + 1011 BASE 2 + 1101 BASE 2 + A BASE 16=_______BASE 10 444 BASE 8 + 222 BASE 8 + 101 BASE 8 + F BASE 16 = ________BASE 16 101101  BASE 2 +  1110101 BASE 2 + 11101 BASE 2 + 0101 BASE 2= _______BASE 2

Answer this Question Only:  What did you learn in this activity? Equipment and Materials Quantity Description 1 9 V battery 1 2.2 kΩ resistor      _______________ 1 3.3 kΩ resistor   _____________ 1 4.7 kΩ resistor   _______________ 1 6.8 kΩ resistor   _______________   Digital Multimeter  (Model: ___________ SRN:___________) 1 Breadboard   Connecting Wires   Procedure Parallel Circuit 1 Using an Ohm-meter check the values of your resistors and record the values under Equipment and Materials. Using the Parallel Circuit 1 in Figure 5.1 with R1 = 3.3 kΩ, R2 = 4.7 kΩ and E = 9 volts, calculate the total resistance and record it in the Calculated Total Resistance of the Data Sheet. Then determine the theoretical voltages at nodes A, B, and C with respect to ground. Record these values in Table 5.1. Apply Ohm’s law to determine the expected currents through R1 and R2. Record these values in Table 5.2. Also determine and record the…

1. A14/2 type copper used for a general lighting branch circuit.                                                Ampacity:______________              Maximum Fuse or Circuit Breakers Sizes:________________      2.Three 8 AWG copper conductors with THHN insulation Installed in garage in electrical metallic tubing (EMT). The ambient temperature in the garage can reach as high as 110'F. All termination points for this circuit are rated 60'C.                            Ampacity:______________                  Maximum Fuse or Circuit Breakers Sizes:________________ 3.Four 4 AWG copper conductor with THWN insulation imstalled in EMT in a basement. All termination points are rated at 60'C.                                 Ampacity:______________                  Maximum Fuse or Circuit Breakers Sizes:________________  4. An 8/3 Type UF copper cable installed underground from a house to a detached garage to feed a 120/240-volt subpanel. All termination points are rated at 60'C.…

21/ Which Insulators can be used for both horizontal and vertical positioning? A. PIN TYPE INSULATORS B. SHACKLE TYPE INSULATORS C. SUSPENSION TYPE INSULATORS D. POST TYPE INSULATORS

12. Which Insulators can be used for both horizontal and vertical positioning? A. SUSPENSION TYPE INSULATORS B. SHACKLE TYPE INSULATORS C. PIN TYPE INSULATORS D. POST TYPE INSULATORS

A one meter rod 2 cm diameter is drawn until its resistance is 100 times the initialresistance. Its length afterward is _________.

Question 6 An FET is a current-controlled device. True False

(c) Sketch a circuit diagram of a complete power conversion circuit that would be used to connect a solar PV array to the grid. Briefly describe its operation, including mention of the types of power electronic switches that might be used along with their voltage/current ratings. Please solve this with in 1 hour

Answer Questions provided

24   Voltmeter shows an error of 13 V for 356 V reading, the percentage accuracy of voltmeter is_______ % a. 3.65 b. 0.04 c. 13.00 d. 0.27

What follows is a numeric fill in the blank question with 3 blanks. Figure 1 shows the three phases V-t graph in Turkey. Please write the indicated values with their units in boxes and Voltage - time function of each phase in table below. Please write the units in the second box. 1= _______________ V 2=  ________________ms 3=  _______________ms

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18. True or False: Electrons have a positive charge 19. If divide voltage by amperage, your result will be in ______________. 20. The rubber / plastic coating on electrical wire is called ______________.

when a certain circuit element is "open" it has a __________ a. maximum current and minimum voltage b. maximum voltage and minimum current c. maximum voltage and maximum current d. minimum voltage and minimum current

107) Which of the following describes a voltage drop test? O Connecting the (-) DMM lead battery positive and connecting the DMM (+) lead to battery negative. Connecting the DMM lead to the battery negative terminal and connecting the DMM lead to a good engine or chassis ground. O Connecting both DMM leads to the negative terminal of the battery. Connecting the DMM lead to the battery positive terminal and connecting the DMM lead to a good engine or chassis ground.

Electrical plants Define the terms "Main column ." " Line ." " Protection earth " and " Operating earth

The resistance of a nine inch length of copper that has a diameter of 0.005 in. is ______  (the answer needs to be 311 milliohms)   Please help give me the easiest way to solve this question.

Answer each problem and show your solutions cleanly and clearly. Draw diagrams.__________________________________________________________________________________________________________