QUESTION 2 A metallic wire is stretched from original length of 2 m to 5 m. If the original cross-sectional area is 4 square millimeters and original resistance is 8 ohms, determine the new resistance (in ohms) of the metallic wire. Assume the volume of the wire is preserved.
Q: . (i) When two missiles are projected from the same point with same velocity but in different…
A: Hey dear have a look
Q: What is the equivalent resistor between the terminals a and b if you replace R1 by 38 Ohm and R2 by…
A: Given data: R1=38 Ω R2=34 Ω
Q: 1) A resistor has a value of 20 ohms (Ω) when it is at 15 degrees Celsius. If the coefficient of…
A: For question (1),Given,The resistance at is The coefficient of thermal resistivity is The final…
Q: A piece of copper wire of resistance R is cut into 3 equal parts. When these three are connected in…
A: Given: The resistance of the copper wire is R. The copper wire cuts into three identical parts.
Q: A solid cylindrical Aluminum rod has a diameter of 0.5 inch and weighs 23 lbs. The density of…
A: Given : solid cylindrical Aluminum rod has a diameter of 0.5 inch d= 0.5 inch weight = 23 lbs The…
Q: Calculate the ratio of the resistance of 15.0 m of aluminum wire 2.3 mm in diameter, to 30.0 m of…
A: Given: Length of aluminum wire, La=15 m Diameter of aluminum wire, d=2.3 mm…
Q: The resistance of a conductor 1 mm2 in cross-section and 20 m long is 0.346 Q. Determine the…
A: Given Area A=1mm2=1×10-6 m2 Length L=20m Resistance R=0.346Ω
Q: You have three resistors R1 = 422 Ohms, R2 = 271 Ohms & R3 = 426 Ohms. What is the maximum…
A:
Q: The resistance of gold wire used in circuits is usually negligible compared to the components in the…
A:
Q: I2 13 E2 R3 R2 E1 For the circuit shown above, the emf of the batteries and the resistances are…
A:
Q: Choose true or false for each statement regarding the resistance of a wire. The resistivity ρ is…
A: 1. The resistivity ρ is proportional to the resistance R of a wire. This is true. Because resistance…
Q: Assuming that you would want to make a uniform wire out of 5 grams of copper. If this wire is to…
A:
Q: A 5-meter-long conductor with diameter of 5mm is connected to a source and an external resistance.…
A:
Q: You have four homogeneous wires made of the same material. Each wire has a diameter of 3 mm and a…
A:
Q: ohm
A: The quantity that provides a barrier to the path of current is called resistance. The resistance in…
Q: A copper wire is having a length of 8m and a radius of 32mm. The resistivity (p) of copper is…
A:
Q: lông L tungster re if it has a diam 0.137 × 10-3 m and a resistance of 3.41 k2? The resistivity of…
A: GivenDiameter of wire (d)=0.137×10-3 mResistance(R)=3.41×103 ohm Resistivity of Tungsten…
Q: The heating spiral of an electric fire is removed from its silicon tube, uncoiled, and measured. It…
A:
Q: a) Determine the length (in mm) of a gold conductor that has a resistance of 0.018 Ω and a…
A: Given data: Resistance (R) = 0.018 Ω Cross-sectional area (A) = 3.4 × 10-9 m2 Resistivity of gold…
Q: A cylindrical aluminum pipe of length 1.88 m has an inner radius of 1.63 × 10-³ m and an outer…
A:
Q: An aluminum rod with a square cross section is 2.2 m long and 6.2 mm on edge. (a) What is the…
A:
Q: Determine the length of a copper wire that has a area as 7.2 mm². The resistance cross-sectional and…
A: Given data, Cross area is given as, A=7.2 mm2 = 7.2×10-4 m2. Resistance of R=13 Ω. Resistivity of…
Q: = R₁ R₂ R₁+R₂ when connected in parallel The equivalent resistance of two resistors R₁ and R₂ is…
A:
Q: A length of aluminum wire is connected to a precision 10.00-V power supply, and a current of 0.4212…
A:
Q: A certain wire of radius 1-10 mm is made from an unknown alloy that has a resistivity of 1.25e-07…
A:
Q: The resistance of a copper wire at 20 degrees is 40Ω. The length of an aluminum wire is 6 times the…
A:
Q: A cylindrical aluminum pipe of length 2.49 m has an inner radius of 1.85 x10-3 m and an outer radius…
A:
Q: A metallic wire is stretched from original length of 3 m to 6 m. If the original cross-sectional…
A: As the volume is constant,
Q: For V1=5 V, V2=1 V, R1=170, R2=310 and R3=240 in the following circuit, Find the following R1 iz R3…
A: Given, V1=5VV2=1VR1=170ΩR2=310ΩR3=240Ω So, according to KCL,…
Q: The wire segment shown below is made of copper with a length of 300.0 m, across sectional area of…
A:
Q: 12 13 R1 E2 R3 R2 E1 For the circuit shown above, the emf of the batteries and the resistances are…
A:
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: Two identical resistors of R0=32 omega are connected head to tail. Part (a) Express the resistance…
A:
Q: A metallic wire is stretched from original length of 1 m to 5 m. If the original cross-sectional…
A: Given Initial length of the wire is l1=1 m Final length of the wire is l2=5 m Initial…
Q: A metallic wire is stretched from original length of 3 m to 6 m. If the original cross-sectional…
A:
Q: What happens to the resistance of a piece of wire if you double its length and halve its radius?…
A: Resistance of the wire is directly proportional to the length of the wire and inversly proportional…
Q: Calculate the resistivity of a material of a wire 10 m long. 0.4 mm in diameter and having a…
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: Choose true or false for each statement regarding the resistance of a wire. The resistivity does not…
A: 1 The resistivity of wire depends on temperature and it usually increases with temperature. Hence…
Q: A 5-meter-long conductor with diameter of 5mm is connected to a source and an external resistance.…
A: Let l and d are the length and the diameter of the conductor respectively, σ0 be the conductivity at…
Q: Resistance
A:
Step by step
Solved in 4 steps