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5. Two wires, A and B, are made of the same metal and have equal length,...
two wires, a and b, have the same length and are made of the same material,...
two wires, a and b, have the same length and are made of the same material, but wire a has one-half the resistance of wire b. what is the ratio of the diameters, da/db?
23. Two wires A and B with circular cross sections are made of the same metal...
23. Two wires A and B with circular cross sections are made of the same metal and have equal lengths, but the resistance of wire A is three times greater than that of wire B. What is the ratio of the cross- sectional area of A to that of B? a. 3 b. 13 c. 1 d. 1/13 e. 1/3 24. A potential difference of 1.0 V is maintained across a 10.0-V resistor for a period of 20 s. What...
Wires 1 and 2 are made of the same metal...
Wires 1 and 2 are made of the same metal. Wire 2 has twice the length and twice the diameter of wire 1.a. What is the ratio p2/p1 of the resistivities of the two wires?b. What is the ratio R2/R1 of the resistances of the two wires?
Two wires have the same diameter, but one is made of copper and the other of...
Two wires have the same diameter, but one is made of copper and the other of aluminum. The copper wire is 2.50 m long and its resistance is 1.85 times that of the aluminum wire. How long is the aluminum wire?
Problem 8 (5 pts): How Consider two silver wires, one wire has 3 times the length...
Problem 8 (5 pts): How Consider two silver wires, one wire has 3 times the length and haif the radius of the other. do the resistivities of these two wires compare? A) The longer wire has 4/3 times times the resistivity of the shorter wire B) The longer wire has 3 times the resistivity of the shorter wire Both wires have the same resistivity D) The longer wire has 3/4 times times the resistivity of the shorter wire
Two wires made of copper and aluminum have the same length and diameter. The wires are...
Two wires made of copper and aluminum have the same length and diameter. The wires are fused together end-to-end to form a single wire. A potential difference is applied to the ends of the wire by a battery so that current flows along the wire. What is the ratio of the electron drift velocity between the two metals, reported as ?
Two copper wires have the same length but different cross sectional areas. The cross-sectional area of...
Two copper wires have the same length but different cross sectional areas. The cross-sectional area of wire 1 is A, and that of wire 2 is 2A. How are the resistances of the two wires related? Choose the correct answer from the following choices. Wire 1 has four times the resistance of Wire 2 Wire 1 has half the resistance of Wire 2 The are the same. Wire 1 has twice the resistance of Wire 2
The picture shows a battery connected to two wires in parallel. Both wires are made of...
The picture shows a battery connected to two wires in parallel.
Both wires are made of the same material and are of the same
length, but the diameter of wire A is twice the diameter of wire
B.
True or False for the following:
1) The resistance of wire B is four times as large as the
resistance of wire A.
2) The power dissipated in wire A is 16 times the power
dissipated in wire B.
3) The voltage...
Problem 8 (5 pts): Consider two silver wires, one wire has 3 times the length and...
Problem 8 (5 pts): Consider two silver wires, one wire has 3 times the length and half the radius of the other. How do the resistivities of these two wires compare? A) The longer wire has 4/3 times the resistivity of the shorter wire. B) The longer wire has 3 times the resistivity of the shorter wire. C) Both wires have the same resistivity D) The longer wire has 3/4 times the resistivity of the shorter wire. Problem 9 (5...
Problem 2.2-3 A steel wire and an aluminum alloy wire have equal lengths and support equal...
Problem 2.2-3 A steel wire and an aluminum alloy wire have equal lengths and support equal loads P (see figure). The moduli of elasticity for the steel and aluminum alloy are Es = 206 GPa and E,-76 GPa, respectively. Aluminum alloy Wire (a) If the wires have the same diameters, what is the ratio of the elongation of the aluminum alloy wire to the elongation of the steel wire? diameter of the aluminum alloy wire to the diameter of the...
23. Two wires A and B with circular cross sections are made of the same metal and have equal lengths, but the resistance of wire A is three times greater than that of wire B. What is the ratio of the cross- sectional area of A to that of B? a. 3 b. 13 c. 1 d. 1/13 e. 1/3 24. A potential difference of 1.0 V is maintained across a 10.0-V resistor for a period of 20 s. What...
Problem 8 (5 pts): How Consider two silver wires, one wire has 3 times the length and haif the radius of the other. do the resistivities of these two wires compare? A) The longer wire has 4/3 times times the resistivity of the shorter wire B) The longer wire has 3 times the resistivity of the shorter wire Both wires have the same resistivity D) The longer wire has 3/4 times times the resistivity of the shorter wire
The picture shows a battery connected to two wires in parallel.
Both wires are made of the same material and are of the same
length, but the diameter of wire A is twice the diameter of wire
B.
True or False for the following:
1) The resistance of wire B is four times as large as the
resistance of wire A.
2) The power dissipated in wire A is 16 times the power
dissipated in wire B.
3) The voltage...
Problem 8 (5 pts): Consider two silver wires, one wire has 3 times the length and half the radius of the other. How do the resistivities of these two wires compare? A) The longer wire has 4/3 times the resistivity of the shorter wire. B) The longer wire has 3 times the resistivity of the shorter wire. C) Both wires have the same resistivity D) The longer wire has 3/4 times the resistivity of the shorter wire. Problem 9 (5...
Problem 2.2-3 A steel wire and an aluminum alloy wire have equal lengths and support equal loads P (see figure). The moduli of elasticity for the steel and aluminum alloy are Es = 206 GPa and E,-76 GPa, respectively. Aluminum alloy Wire (a) If the wires have the same diameters, what is the ratio of the elongation of the aluminum alloy wire to the elongation of the steel wire? diameter of the aluminum alloy wire to the diameter of the...
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