A wire of length L and cross-sectional area A has a resistivity p. Which of the following formulas can be used to calculate the resistance of the wire? L Select one: a. R=L A O b. R= PL O c. R = ! PA O d. R=4 pL e. R=L PA

Q: The equivalent resistance between points A and B:(shown in figure) is? C r www B wwww

A: Solution !!

Q: Problem 5. Calculate the cross-sectional area, in mm², of a piece of copper wire, 40 m in length and…

A:

Q: R1=202 LOV R23D300 R3=500 L2 R4=200 Porales

A:

Q: Determine the Norton equivalent current IN and resistance RN across terminals a – b. - 0.01v, R V…

A:

Q: Si D1 E= 20 V Si 12 R2

A:

Q: Determine the current flowing through resistor R1. (assume Zener voltage is 3 volts) * R2 1K R1 10V…

A: In this question,   We need to determine the current in the resistance R1  If Zener voltage is 3…

Q: Determine the current flowing through resistor R2. (assume Zener voltage is 3 volts)

A:

Q: A given wire has a resistance of 20 ohms. If its length is 300m, how much length must cut-off from…

A:

Q: In the figure the current in resistance 6 is ig = 1.34 A and the resistances are R, = R, = R3 = 1.62…

A: Given data: i6=1.34 AR1=R2=R3=1.62 ΩR6=3.17 ΩR4=15.4 ΩR5=8.87 Ω The circuit is given as:

Q: What will be length (in m) of a 10 ohm wire, when the resistivity of the wire is 0.1 ohms-m and the…

A: Given, A wire having Resistance, R= 10 ohm Resistivity of the wire, ρ=0.1 ohms-m  Diameter of the…

Q: A certain wire has a resistance of R. The resistance of another wire identical with the first except…

A: Given, A certain wire has a resistance R, we know that, R=ρlA R= Resistance ρ=resistivity of the…

Q: c) For electric circuit in Figure Q1 (c), determine /, l2 and loz. l2 D1 Si V1 12 V D2 lo2 Si R1 3kQ…

A:

Q: wire has a length of 7.77cm and a cross - sectional area of 7.5 sq.cm. If its resistivity is 0.28…

A:

Q: Resistivity of a wire depends on length material O all of the above. O O O

A: Resistivity of the wire calculated as : R=ρlAwhere,ρ = resistivityL = LengthA= area

Q: Two resistance are in the series R1= 25 ohm and R2 = 56 ohm . Then determine the equivalent…

A:

Q: Part II: The potential difference across different elements of a circuit resistance in series 1.…

A: Part 1 and 3 are experimental based hence we can not solved. We are solving for part 2   i) relation…

Q: c) Two of you have been given two instruments with the units in ohms, your colleague measures the…

A:

Q: Find the voltage at point A, B and C.

A: Mesh Analysis In electrical circuit analysis, there are two methods mesh analysis and nodal…

Q: A resistor consists of 5 colour bands as shown in Figure la. Find the value of the resistance. [2]…

A: Resistance Color coding is the special method to label the resistor with its value. The resistor is…

Q: A wire has a resistance 10 ohm. It is stretched by one tenth of the original length. Then itsi…

A: Given, a wire has a resistance 10 ohm. It is stretched by one tenth of the original length. Let,…

Q: The figure shows an electric circuit which contains a double switch labelled R, by S. When the…

A:

Q: The length and diameter of copper wire are found to be 100 and 0.002 m respectively consider that…

A:

Q: 2. From the figure below, Fig. 1, if the voltage drop across the 7 0 is 24 V, find the supply…

A: Here, we have given an electrical circuit, for which we have to calculate the power consumed by each…

Q: ,12 B.

A:

Q: 3.1 Find the equivalent resistance Rab for each of the circuits in the following figure. b 5052…

A:

Q: Problem 5. Calculate the cross-sectional area, in mm², of a piece of copper wire, 40 m in length and…

A: it is asked to find the cross sectional area of given copper wire in mm2

Q: A copper wire has a temperature coef of resistivity of 0.0054 degree c-1.Whe placed in a water bath…

A: In this question we will find resistance of copper wire at given temperature.....

Q: The references for the voltage and current at the terminals of acircuit element are as shown . The…

A: Since the current entering the positive terminal so we can see that the electrons are delivering the…

Q: Needs Complete solution with 100 % accuracy.

A: Given:a network,with, To find:Current in all resistors when a) switch is openb) switch is closed

Q: Which among the relationship given below is correct? a. AC resistance = DC resistance/1.6 O b. DC…

A: In this question  Choose the correct option Which among the relationship given below is correct?

Q: 5. Awire has a resistance of 23.5 ohms. If its length is 540 m, how much length must be cut off from…

A:

Q: A given wire has a length of 2 m and a cross-sectional area of 0.3 m2. If the resistance of the wire…

A:

Q: Assuming constant temperature, what happens to the resistance of a material when the cross-sectional…

A: Cross sectional area- The cross sectional area is the area of a circle. Thus the cross section of…