c. A length of wire is cut in half and the two lengths are wrapped together side by side to make a thicker wire. How does the resistance of this new combination compare to the resistance of the original wire?

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A: (B) 6 ohm is the right answer

Q: 1. A hollow cylinder of length L, inner radius R1 , and radius R3 is filled with two different…

A: (a)Formula for the resistance is:

Q: a. What is the current (in A) when a typical static charge of 0.260 µC moves from your finger to a…

A: Answer:- (a) Given  Charge (Q) = 0.260 µC              Q = (0.260 × 10-6 ) C  Time (t) = 4.50 µC…

Q: L A conductor having the resistivity value of p = 3.20 x 10-80 m. The length of the conductor is L =…

A: The resistivity of the conductor is given as, ρ=3.20×10-8 m, The length of the conductor is given…

Q: A conducting wire with circular cross-sectional area A and length L has resistance R. If the radius…

A:

Q: Which, if any, of these statements are true? (More than one may be true.) Explain your choice or…

A: A battery is an electro-chemical device which converts the chemical energy into usable electrical…

Q: Two resistors of 12\Omega and 18\Omega are connected in parallel. This combination is connected in…

A:

Q: A carbon resistor is to be used as a thermometer. On a winter day when the temperature is 32°F, its…

A: Given Initial resistance R0 = 220 ohm Final resistance R = 214 ohm Initial temperature To = 32oF…

Q: During the Wheatstone Bridge experiment, which of the following is true? a. We vary both the known…

A: Ing the Wheatstone bridge experiment there are 4 resistance. Out of which 3 are known and one is the…

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: A circuit consists of two resistors connected in parallel. If the total resistance is 1403 Q and one…

A: Given data:  Two resistors are connected in parallel combination RT = 1403 Ω and R1 = 2000 Ω…

Q: The average resistivity of the human body (apart from sur face resistance of the skin) is about 5.0…

A: Given, The resistance between the hands can be given by the equation, Here, ρ is the resistivity…

Q: Suppose the resistance of a wire is R Ω. What will be the resistance of another wire of the same…

A: The resistance is given by,  R=ρLAR=ρLπr2

Q: A circuit loop containing an external resistor of value R = 25.0 (ohms) is connected to a real…

A: External resistor (R) = 25 ohm Emf (E) = 20 V internal resistance (r) = 1.50 ohm

Q: The average bulk resistivity of the human body (apart from surface resistance of the skin) is about…

A:

Q: Two 6.3 Ω resistors are connected in parallel, as are two 3.9 Ω resistors. These two combinations…

A:

Q: Question A5 State which of the following statements are true and which are false. Give reasons for…

A: Given, True & False statements

Q: certain wire has resistance R.Another wire, of the same material, has half the length and half the…

A: Write the given values of the problem- Resistance=R Let length of the first wire=L Radius of the…

Q: A girl throws a coin upwards with an initial velocity of 6 m/s from the top of a well. T depth of…

A:

Q: Jairo says that you can increase the resistance of a copper wire by hammering the wire to make it…

A: Resistance of a wire is given by, By hammering wire and making it narrower and longer, length (L)…

Q: An electric flat iron draws a current of 15 A when connected to a 110 V line. a. Assuming that the…

A:

Q: A 22 Q resistor and a 33 0 resistor are connected in series and are connected to a 120 V power…

A:

Q: Two steel conductors are bent into rectangular prisms with square bases of lengths a and/, where…

A: Let the resistivity of the steel be ρ .   We have resistance of resistor with length L and…

Q: 2. Consider an aluminium wire with a diameter of 1.07 mm. a. What would be the diameter of a copper…

A:

Q: Problem 1: Two batteries with emf & = 7 V and internal resistance r = 6 Q and a resistor with Ro =…

A:

Q: careless person accidentally grasps the terminals of a 20.0-kV power supply (Do NOT do this!). The…

A: Voltage, V = 20 kV = 20000 VExternal resistance, R = 9.5 kΩ = 9500 ΩInternal resistance, r = 2000…

Q: Light bulb A is rated at 60 W and light bulb B is rated at 100 W .Both are designed to operate at…

A:

Q: A copper wire of 10 Q and length L. At what point along its length must the wire be cut out so that…

A: Given data, Resistance of wire R = 10 ohm Length of wire is L The resistance of the wire is…

Q: In the circuit pictured, the resistors have values of R1 = 140 Ω, R2 = 143 Ω, and R3 = 141 Ω, and…

A: A. For to obtain current passing through the battery, it is important to calculate the equivalent…

Q: Three resistors of 50 N, 100 N and an unknown resistance R are connected in parallel and the…

A:

Q: A copper wire of 10 Q and length L. At what point along its length must the wire be cut out so that…

A: Given : Length of copper wire is L             Resistance of wire = 10 ohms

Q: 6. Five resistors are connected as shown in the diagram. The potential difference between points A…

A:

Q: Two resistors of equal resistance R are connected in parallel across a cell with emf V. What is the…

A: Given : Two resistors of equal resistance R are connected in parallel across a cell with emf V.

Q: Why can we treat ion channels as resistors in an RC circuit diagram? a. Because many ion channels…

A: We treat ion channels as resistors in an RC circuit diagram.

Q: R R What is the equivalent resistance of the given system of resistors? All resistors have…

A:

Q: Question 3: a. Draw a circuit with a battery and two identical light bulbs (same resistance) in…

A: Registance  of two identical bulbs is same.The two bulbs are connected in parallel.

Q: Three wires of cross sectional area 3mm2, 4mm2 and 5mm2 are made up of the same material and have…

A:

Q: If R₁ = B S2, R₂ = B/5 2, R₂ =D 2, and I=0.50 A, a. Calculate resultant resistance? b. At what rate…

A: Given data:  Three resistors are connected in series combination  R1 = 70 Ω, R2 = 14 Ω and R3 = 7 Ω…

Q: An electric flat iron draws a current of 15 A when connected to a 110 V line.…

A: