The resistance of a copper is 150 Ω at 20 oC. By how much should it be exposed to temperature if it is resistance should not exceed to 151.5 ohms?

Q: Solve the voltage across each resistor, the current flowing through in each resistor, the power…

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Q: 1. In this lab you will be calculating the resistivity, you will first need to determine the cross…

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Q: 1. The total charge entering a terminal is given by q = 2e cos (6t), in uC. Determine the current at…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: What statement is true? Select one: Oa. Resistance depend only on resistivity. Ob. Resistance depend…

A: We know, Resistance (R) = ρ*LA where ρ is the resistivity of the material L is the length of the…

Q: B. Calculate the cost of running a 75 W stereo for two days if the cost per hour is 70 centavos.

A: The total cost to run a device in a certain time is C = c×t, where C = total cost c = cost per hour…

Q: Q2: Design series ohmmeter using PMMC of 100Ω internal resistance and 0.4ma full-scale deflection…

A: For half-scale deflection Rx=R1 . Let Rx be the resistance to be measured R1 be the standard…

Q: 1) A resistor R dissipates 3 W of power when it is connected to a 24 V source. The source and…

A: The power dissipated by the resistor, P = 3 W The source voltage, V = 24 V The time for which the…

Q: 1. Wire C and wire D are made from different materials and have length Lc = LD = 0.9 m. The…

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Q: A resistor is found to have a resistance of 100Sat 20°C and a resistance of 112 at 55° What is the…

A: Electricity.

Q: Three resistors of 25 N, 30 N and an unknown resistance R are connected in parallel and the…

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Q: 2. Find the ratio of the diameter of aluminium to copper wire, if they have the same resistance per…

A: Resistance of any electrical device is the ratio of given voltage to the current flowing through…

Q: Which is true of the material that makes up high resistance wires? A. The wire is made using more…

A: Resistance is the hindrance or opposition offered to the current in a wire. Resistance is directly…

Q: Rz =3,002 Ri =4.00r ; R- 3.002 = R, = 4,0ar Ei=10,0V %3D Ez=26,0V The ciruit shown in the fiqure…

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Q: A copper wire is 2.50 m long and has a diameter of 2.5 mm. How much current will it draw when…

A: GivenL= 2.50 mDiameter (D) = 2.5 mm =2.5 × 10-3 mResistivity of copper (ρ) = 1.68 × 10-8 Ω mV =3.0 V

Q: Factors that affect the resistance of a wire SAMPLE PROBLEMS: 4. What is the resistance of a…

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Q: Calculate the resistivity of a material of a wire 10 m long. 0.2 mm in diameter and having a…

A: Given that:-Length, l=10 Radius, r= 0.2=0.2×10-3 mResistance, R=2ΩWe know that resistivity,…

Q: An electric fence, the fence-wire is set to 60 V while the ground is always 0.0 V. If we can think…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A charge of 0.060 mC flowed through a wire for 2.4 s. What was the current in this wire? answer in…

A: Given data:  Charge (q) = 0.060 mC Time (t) = 2.4 s Required: Current (I)

Q: 2. Compute the (a) combined resistance of two resistors, (b) the current flowing in the main…

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Q: 3.The above graph is a showing the relationship between voltage-current. The resistance calculated…

A: solution as

Q: Copper wire of diameter 0.289 cm is used to connect a set of appliances at 120 V. which draw 1450 W…

A: diameter of copper wire = 0.289 cm Radius of copper wire = 0.1445 cm V = 120 volts Total power =…

Q: A. Understanding resistor values 1. Pick 2 resistors. Compute resistance using the color table…

A: Resistance- It is the property which is measured as opposition to the flow of current in electrical…

Q: I1. PROBLEM SOLVING Determine what is asked. Write your solution(s). 1. Calculate the resistance of…

A: Given   The length of copper wire ( l  )  300 m 10 mm Diameter and circular cross section The length…

Q: 3) A 100 meters long wire with diameter 2 millimeter is attached to a 6 Volts battery. You measured…

A: Given , Length of the wire, L = 100 m              Diameter of wire, d =  2 mm = 2 × 10-3 m…

Q: How much current would a 10 2 bread toaster draw when connected to a 120 V outlet? 75 W stereo for…

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Q: 9. A silver block (resistivity at 20°C of 1.59x10-8 Qm) is hooked t a power supply (not in the…

A: Given: resistivity ρ = 1.59*10-8 Ωm length l = 44cm = 0.44m width w = 13 cm =0.13 m height h = 21cm…

Q: 5. Identify the color code for each of the following resistance values: (2 points each) a. 150 ±…

A: The colour code for resistors typically consists of three to four coloured bands followed by a…

Q: 2. A 50 m long wire with a cross-sectional area of 5.5 mm2 has a resistance of 31 Ω at 0 °C.…

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Q: 4. The resistance of a resistor changes with temperature; the equation is given as: R= a T^2 + bT+…

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Q: A 1.50-m cylindrical rod of diameter 0.500 cm is connected to a power supply that maintains a…

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Q: Show all work for partial credit. Assume all numbers are given to three significant figures. 1. a.…

A: Part (a): Given: The connection of the resistor is in parallel with supply voltage. The supply…

Q: What is the current through the 4.0 k2 resistor in (c)?

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Q: A resistor has four color bands: brown, orange, yellow, and Gold. What is its resistance? b.  A 60…

A: Here,  Brown → 1Orange →3Yellow → 105Gold → ±5% Therefore, the resistance is 130,000±5% ohm

Q: For the following questions, you do not need to understand the physics. Just focus on working with…

A: Part(a):Two resistors  connected in parallel.The equivalent of theses resistances is Find:Simplyfy…

Q: 1.How much energy does a 100-W electric bulb consume in two hours? 2.A stove element draws 15 A when…

A: "Since, According to the Guidelines we are only allowed to do First three questions, thus I have…

Q: 2. A 2 meter rod of 60mm of diameter is drawn (pulled/stretched) until its resistance is 25 times…

A: Part a) Q.2. Given: The initial length of the rod is lo=2 m. The diameter of the rod is d=60 mm. Let…

Q: Directions: Choose the letter of your answer. 1. If the diameter of a wire is reduced to one half…

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Q: 1. Compute the (a) combined resistance of the two resistors, (b) the current flowing in the circuit,…

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