Postlab Assignment-3

Determine the nodes/junctions, Current (I), Loops, Voltage drop on each Resistor (R), and Power (P) on each Resistor (R) with the following given and illustration: Use the following given for batteries and resistors (color bands for your value of resistors, use the lower limit).  R1 = red red black goldR2 = orange green black silverR3 = white orange black goldR4 = green violet brown goldR5 = violet red black silverR6 = yellow green black silverR7 = brown black black gold V1 (lower left) = 100VV2 (top center) = 150VV3 (lower right) = 200V

In the figure the ideal batteries have emfs ɛ1 = 20.4 V, ɛ2 = 9.05 V, and ɛ3 = 5.40 V, and the resistances are each 2.40 Q. What are the (a) size and (b) direction (left or right) of current i,? (c) Does battery 1 supply or absorb energy, and (d) what is its power? (e) Does battery 2 supply or absorb energy, and (f) what is its power? (g) Does battery 3 supply or absorb energy, and (h) what is its power? (a) Number i Units (b) (c) (d) Number i Units (e) (f) Number i Units (g) (h) Number i Units

SEMICONDUCTOR DIODE ESSAY: What are your observations on the given table. How forward bias condition and reverse bias condition affects voltage and current? This data is simulated using tinkercad. A series circuit with battery, 1 diode and 1 resistor (100ohms). You can notice in 2nd column the batteries used in every row. Tinkercad AA battery is equivalent to 1.50 volts. Note that they are only different with the number of batteries used but the resistor(100ohms) and diode remains one only.

Pls i need the answer of this questions

R=345 ohms

DISCUSSION:- 1. From procedure (A), draw the relation between the practical current (I) and resistance (R) in graph paper. Then show this relation is directly or inversely proportional? 2. From procedure (B), draw the relation between the practical current (I) and voltage (V) in graph paper. Calculate the value of R from this graph. Then show this relation is directly or inversely proportional ? 3. 3. What is the potential voltage drop (V) across a resistor (R) 60 if the current(I) 2.5A ? 4. 4. What is the current (I) passing through a 72 Q resistor (R) if voltage drop (V) across it is 12 V ? 5. 5. How much resistance (R) is required to limit the current (I) to 0.76A if the potential drop (V) across the resistance(R)it is 120V ?

R=345 ohms

R=345 ohms

If the voltage at resistor rx is 12 volts. What is the total current and the voltages at the 5ohm and 10kohm resistors and the value of RX in ohms?

An ammeter hos been designed by indirect method with current ranges 1A, and 5A, if PHMC meter -ohm hove internal resistance of 50l and half scale current of 0.5 mA. Ra and Rb will be

1- Some copper wire has a resistance of 200 at 20°C. A current is passed through the wire and the temperature rises to 90°C. Determine the resistance of the wire at 90°C, correct to the nearest ohm, assuming that the temperature coefficient of resistance is 0.004/°C at 0°C

The resistance of a resistor at 7 degrees Celsius is given as 42 ohms. Determine the resistance, in ohms, of the said resistor at 25 degrees Celsius. The temperature coefficient at 0 degrees Celsius is 0.0086 per Celsius degree.

8. The resistance of a copper at 30°C is 50 ohms. If the temperature coefficient of copper at 0°C is 0.00427. What is the resistance at 100°C? 9. A wire has a resistance R are cut into 2 pieces and the small pieces are connect in parallel resulting to a total resistance of 2 ohms. What is the value of R?

R= 345 ohms

help provide solns for review TYSM

3. The figure on the left below shows a schematic diagram of a battery. The voltage measured by U1 is called the terminal voltage given R1 = 1 ohm. In the figure on the right below, the terminal voltage of each of the battery-resistor combination is Vr = 1.5 volts. Find the following: a. The current passing through R5. b. The currents passing through R1 and R3 C. The voltage across R1. d. The voltage of the battery EMF. e. The percentage of voltage loss ot the battery due to the internal resistance R1. The power dissipated by the internal resistance R1. g. The power dissipated by R5 if R1 = R2 = R3 = R4 = 0. h. The percentage of power dissipation loss due to the four resistors R1, R2, R3, and R4 f. R1 R3 S10 R1 U1 1.500 EMF EMF R5 100 V1 R2 $10 EMF R4 EMF EMF

Nichrome ribbon resistor elements each has a resistance of 1 ohm. The element is made from sheet of nichrome alloy, 0.025 cm think. If the width of the ribbon is 0.3cm, what length is required per element in cm? Assume specific resistance of nichrome alloy to be 109microOhm-cm.

Question: a.) Find the equivalent resistance between points A and B in the given figure. b.) Calculate the current in each resistor if a terminal voltage of 53V is applied between points a and b.

Let there be D1:Si, D2:Si and D3:Ge diodes in the circuit in the figure . Let D1: Si, D2: Si and D3: Ge be diodes in the circuit in the figure.  Using the following values for the circuit in the figure, find what is required in the questions?   For the circuit in the figure, find the ones requested in the questions by using the following values? VS=13 V, RA=9 kΩ, RB=4 kΩ, RC=7 kΩ     ID1=?

a) Find and explain the Ohm conservation expression.b) Stable current circulation is desired for the lamp connected in a circuit to light. Accordingly, discuss with the conservation law of the charge how a stable current circulation can occur from any part of the circuit.I need to explain the answers to these questions, please can you explain in detail. Thanks in advance.

A. Using long coupon bond(s), make a written discussion of what you learned in this lesson. Your discussion includes but not limited to the following: 1. Electric current, direct and alternating current, average current 2. Emf, dependent and independent sources 3. Conductance and conductivity 4. Resistance and resistivity 5. Percent conductivity 6. D-c measurements of voltage, current, resistance B. Calculate the resistivity and percent conductivity of the elements and alloys listec in the table below. 1. Resistivity Elements Ohm-cm Ohm-meter Alloys Ohm-cm Ohm-meter Brass Silver German silver Copper, Manganin Copper, Lucero Gold, pure Advance Aluminum Constantan Magnesium Excello Tungsten Nichrome Zinc Nichrome II Nickel Chromel Iron, cast Platinum Iron, Lead

Notes on the verification of ohm's law by voltage method?

Please answer the following: a) What is the resistance in the circuit? b) What is the reading in milliamperes of the ammeter?

What is the resistance of this 4-Band resistor ( in Ohms)?

The temperature coefficient of resistivity of carbon is -0.0005/C° . If the resistor is made of graphite as a resistance of 5 kΩ at 20°. find the resistance at 27°

(3) show the figure (if needed), given, formula and substitution. thank you! promise i'll rate.