A wire of length L and cross-sectional area A is used in a circuit. The overall resistance of the wire is R. What would be the new resistance (in terms of R) if ... a. ... the length of the wire is doubled? b. ... the cross-sectional area of the wire is doubled? c. ... the length of the wire is doubled and the cross-sectional area of the wire is doubled? d. ... the length of the wire is tripled and the cross-sectional area of the wire is doubled? e. ... the length of the wire is halved and the cross-sectional area of the wire is tripled? f. ... the length of the wire is tripled and the cross-sectional area of the wire is halved? g. ... the length of the wire is tripled and the diameter of the wire is halved? h. ... the length of the wire is tripled and the diameter of the wire is doubled?

Q: A copper wire has a diameter 0.9 mm and resistivity 1.6 x 10-8 Qm. What will be the length of this…

A: Given,Diameter of the copper wire, d = 0.9 mmResistance of the wire, R = 15Ω resistivity of copper…

Q: The figure here shows three cylindrical copper conductors along with their face areas and lengths.…

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Q: solar cell generates an EMF of 6 V. The terminal potential difference of 5.4 V is measured when a 2…

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Q: A copper wire has a diameter 9.7 mm and resistivity 1.6 x 10-8 Om. What will be the length of this…

A: solution as

Q: 20. A conductor of cross-sectional area A, length l, and resistivity ρ has resistance R. What is the…

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Q: A copper wire with 0.2mm diameter and an iron wire with a 5mm diameter is soldered together to form…

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Q: 6. A wire is 100 cm long and has a resistance of 25 ohms. The wire is cut into five equal parts. (a)…

A: 6. The relation between the resistance and the resistivity of a wire is given by: R = ρLAρ…

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: Six resistors are connected to a battery. It is known that R1=5 ohm, R2= 25 ohm, R3= 80 ohm, R4= 10…

A: Hello. Since your question has multiple sub-parts, we will solve the first three (a, b, and c)…

Q: The current in the circuit flows from a to be and is 2.3 A. (a) What is the equivalent resistance?…

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Q: As part of a class project you are given 0.900 g of nichrome and asked to fabricate a wire with…

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Q: A cylindrical conductor has resistance of R0 = 120 Ω. It has length L, radius of the cross section…

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Q: 4. Wire C and wire D are made from different materials and have length Le = LD=1.0 m (Figure 4). The…

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Q: A cylindrical conductor has resistance of R0 = 140 Ω. It has length L, radius of the cross section…

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Q: Part A Compute the equivalent resistance of the network in the figure (Figure 1). The battery has…

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Q: A copper wire has a diameter 6.5 mm and resistivity 1.6x 10-8 Om. What will be the length of this…

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Q: A cylindrical conductor has resistance of R0 = 120 Ω. It has length L, radius of the cross section…

A: Given that,resistance, R=120 Ωlength of resistor=Lradius=rresistivity=ρ

Q: volts across a thin platinum wire increases, the current in amperes changes as ollows: (V,I) =…

A: Let us consider in an electricity experiment it was observed that as the potential difference…

Q: Two resistors In circuit 1 (see the figure), ohmic resistor R, dissipates 9 watts; in circuit 2,…

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Q: An iron wire has a diameter 6.4 mm and resistivity 9.71x 10-8 Qm. What will be the length of this…

A: The resistivity of a wire is the measure of how good a material is a resistor and is calculated by…

Q: A copper wire has a diameter 4.95 mm and resistivity 1.6 x 10° Qm. What will be the length of this…

A: solution as

Q: 1. Solve the following resistance problems: a. A 4.2 cm long copper wire has a cross-sectional area…

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Q: Four resistors and a power supply are placed in a circuit as shown below. V = 36 V R4 = 15 Q R3= 12…

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Q: A copper wire has a diameter 1.15 mm and resistivity 1.6 x 10-8 Qm. What will be the length of this…

A: Given data:  Wire diameter (d) = 1.15 mm = 1.15×10-3 m Resistivity (ρ) = 1.6×10-8 Ωm Resistance (R)…

Q: A. What is the effect on the current in a wire if the voltage is doubled and the resistance is…

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Q: A 15m long copper wire has a cross-sectional radius of 3mm. (a) What is the resistance of the wire?…

A: Resistance of the wire is the resistance offered to current while flowing through a conductor. The…

Q: 4. Wire C and wire D are made from different materials and have length L = Lp-1.0 m (Figure 4). The…

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Q: Three 40-2 lightbulbs and three 80-Q lightbulbs are connected in series. (a) What is the total…

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Q: 3.5 V 3.0 V 2. Two batteries supply current to the circuit in the figure on the right. The figure…

A: The two cells are connected in series, so the resultant potential of the cells is

Q: A conductor of cross-sectional area A, length I, and resistivity p has resistance R. What is the new…

A: Given data:  The original resistance = R New length (L') = 4L New Area (A') = 2A The resistivity of…

Q: In a circuit, the potential drop across the 100 Ω resistors is 100 V. What is the current through…

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Q: A copper wire has a diameter 6.2 mm and resistivity 1.6 x 10-8 2m. What will be the length of this…

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Q: A conductor of radius r, length L and resistivity p has resistance R. What is the new resistance if…

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Q: A copper wire has a diameter 9.95 mm and resistivity 1.6 x 10-8 Om. What will be the length of this…

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Q: An iron wire has a diameter 2.45 mm and resistivity 9.71x 10 Om. What will be the length of this…

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Q: Hint (a) What will be the current (in A) in the circuit? Give only the absolute value of the…

A: Given value --- R1 = 6 ohm . R2 = 12 ohm. We have to find--- I ? P1 ? P2 ? Pint ? Ptotal ?

Q: 4. Wire C and wire D are made from different materials and have length L = Lp=1.0 m (Figure 4). The…

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Q: A 30.0 m long extension cord is made from two #19 gauge copper wires. (a) What is the resistance of…

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Q: 6. The resistance X of an electrical component has a probability density function f(r) Ar(130 - r2)…

A: As per our guideline we will solve only first three subparts for you. To get rameining subparts…

Q: An iron wire has a diameter 0.85 mm and resistivity 9.71x 10-8 Qm. What will be the length of this…

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Q: A defibrillator sends a 6.75 A current through the chest of a patient by applying a 9500 V voltage…

A: Given data:  Current (I) = 6.75 A Voltage (V) = 9500 V Required: The resistance (R) in kΩ

Q: What is the current through the 10 N resistor in the figure (Figure 1)? Express your answer to two…

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Q: Three resistors are connected in series as shown in the Figure below to a 20 V battery. Resistors,…

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Q: In the circuit below R1 = 9 2, R2 = 13 N, R3 = 10 N and V4 = 5 V. R2 R R VAB What is the resistance…

A: Given: R1 = 9 ohm  R2 = 13 ohm  R3 = 10 ohm

Q: A copper wire of length 25-m has a resistance of 0.55-Ω at 20°C. a) What is the diameter of the…

A: The given data are listed below with suitable variables. Here, L denotes the wire’s length, R…