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: 2. An aluminum (p=2.7x10-2m) wire has a cross-sectional area of 5.1x107 m?. A. If the wire is…

A: (A) Let A be the cross-sectional area of the aluminium wire. Write the expression for the circular…

Q: The current price of gold costs $58,887.31 per kilogram while silver costs $864.19 per kilogram. The…

A: Length of the wire L=10 m Resistivity of gold and silver are  dG=1.24dsThus,…

Q: conductor of radius r, length and resistivity p has resistance R. It is melted down and formed nto a…

A: Answer  option(C)

Q: A 217-ohm lamp, a 124-ohm lamp, and a 323-ohm lamp are connected in series and placed across a…

A:

Q: When the cross-sectional area of a conducting wire is doubled while its length is cut in half, the…

A: Write the expression for the resistance. R=ρLA Here, ρ is the resistivity, L is the length, and A is…

Q: The resistance of a 15 cm length aluminum cylinder is 2,5 x 10-5 0. If the resistivity of aluminum e…

A: Given that: The length of aluminum cylinder l =15 cm The resistivity of the aluminum cylinder,…

Q: Which one of the following is the correct statement regarding the resistance? The resistance of a…

A:

Q: A resistor is created using a length of 20 gauge copper wire. What happens to the resistance if the…

A: See below

Q: A 10 volt ideal battery is in a circuit with three light bulbs, each with 29 of resistance, and a…

A:

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: The resistivity of an ohmic material depends on ______. 1 p A. Resistance B. Length of the conductor…

A:

Q: Wire 1 has a resistance of 0.3 ohms. Wire 2 is made of the same material as wire but is three times…

A: Given information:Resistance of the wire 1 = 0.3 ohmLength of wire 1 be “l”The diameter of wire 1 be…

Q: The amount of charge flowing through a circuit varies with time according to... q(t) =  0.2t2, with…

A: q = 0.2*t2 So, current i = d(q)/dt i = d(0.2*t2)/dt i = 0.2*d(t2)/dt i = 0.2*2*t*d(t)/dt i = 0.4*t