Choose the CORRECT answer for each item.1.There are two wires, one is made of copper and the other one is silver.These two wires of the same length are made, one from each of the materials.Is it possible for each wire to have the same resistance?Yes, because the two wires have the same length.Yes, because copper and silver have the different resistivity.No, because the two wires have the same length.No, because copper and silver have the different resistivity.a.b.C.d.2.A flashlight requires two 1.5-volt batteries for it to light. The current that flows through it is equivalent to 0.15 A.In an hour of operation, how much charge flows in the system?a. 520 Cb. 540 Cc. 560 Cd. 580 C3.A hair blower contains a heating element which has a resistance of 57 Q. This heating element is energized by a 220-V outlet.What is the current that flows in the heating element?a. 3.9 Ab. 4.9 Ac. 5.9 Ad. 6.9 A 4.What will happen to the resistance of a material if the resistivity changed due to the increase of temperature?a.lncreasesb. Decreasesc. remains the samed. zero5. A typical lightning bolt has an average current of 3x10^44 lasting 0.2 s.How much charge is delivered to the ground by the lightning bolt?а. 9,000 Cb. 7,000 Cс. 8,000 Cd. 6,000 C

We are allowed to give the explanation of first question only which is given below. Please repost…

1.There are two wires, one is made of copper and the other one is silver. These two wires of the same length are made, one from each of the materials. Is it possible for each wire to have the same resistance? Yes, because the two wires have the same length. Yes, because copper and silver have the different resistivity. No, because the two wires have the same length. No, because copper and silver have the different resistivity. а. b. c. d.

1.There are two wires, one is made of copper and the other one is silver. These two wires of the same length are made, one from each of the materials. Is it possible for each wire to have the same resistance? Yes, because the two wires have the same length. Yes, because copper and silver have the different resistivity. No, because the two wires have the same length. No, because copper and silver have the different resistivity. а. b. c. d.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

See similar textbooks

Similar questions

1. Identical lightbulbs are connected to identical batteries in three circuits. A (a) The voltage of the battery in circuit 2 is 12 V. What is the voltage of bulbs B and C? Explain. (2) (3) (b) The current through the battery of circuit 3 is 3 A. What is the current through bulb D and bulb E? Explain. B
5. Five identical light bulbs are connected to two power supplies, & = 40 V, and ɛ2 = 80 V. Each light bulb has a resistance of 10 Q. What is the current through resistor R2? R, E1 R4 R, E2
2. Three resistors are connected in parallel as shown. Suppose the given resistances are 1.0 Q, 2.0 N, and 3.0 Q respectively. If the current measured in the 3.0 Q resistor is 2.0 A, find a) the potential difference provided by the battery and the currents in each of the remaining resistors b) the power delivered to each resistor and the total power c) the equivalent resistance d) the total current a - 1 D O - 20 D R1 R2 R3 b
Time left 1:28:33 Two aluminum wires have the same resistance. If one has twice the length of the other. What is the ratio of the diameter of the longer wire to the diameter of the shorter wire? O A. 0.71 О В. 2 O C. None D. 0.5 O E. 1.41 page Next page 近

A copper wire of 10 Q and length L. At what point along its length must the wire be cut out so that the resistance of one piece is 4 times the resistance of the other? O A. 4L/5 O B. L/6 ОС. 245 O D. L/5 O E 3L/5
If gold (PAu = 2.44 x 10-8 N. m) and silver (PAg = 1.59 × 10-8 n. m) wires of equal length are found to have the same resistance. 4 a) Find the ratio of their radii (rAL/r Cu)? b) Which element (Au or silver) is better for conducting electrical current? Explain. LEGO
Two pieces of copper wire have the same length, but wire A has square cross section of side s, whereas wire B has circular cross section of diameter s. Which of the following is TRUE? A. The resistivity of both wires is the same B. The resistance of both wires is the same C. The resistance of wire A is greater than B D. The resistance of wire B is greater than A
2 What is the SI unit of resistance? A Ω V F In solid metals, which charged particles are free to move throughout the object? Select any/all correct answers. protons neutrons electrons 4 Which factor(s) affect the current in a conductor? Select any/all correct answers. cross-section area density of the charged particles drift speed of the charged partiçles
Q5. A 4.80-m length of 2.0-mm-diameter wire carries a 750-mA dc current when 22.0 mV is applied to its ends. If the drift velocity is determine 1.7x105 m/s (a) the resistance R of the wire, (b) the resistivity and (c) the number n of free electrons per unit volume.
Question 22 What is the voltage in volts (V) across the 2.00 Q resistor in the circuit below if an emf of 24 V is connected between terminals A and B. 3.00 2 4.00 N 5.00 2 1.00 Q A. B 2.00 2
1. The sum of the resistance of resistors in series can sometimes be greater than the individual resistances. True or False 2. In planet mars the acceleration due to gravity there is also 9.81 m/s2. True or False 3. Vectors are quantity that has magnitude and direction. One example of it is density. True or False
1. A battery with no internal resistance is connected to five identical light bulbs, A, B, C, D, and E as shown in the figure. The potential difference between the terminals of the battery is V and the resistance of each bulb is R. a) What is the current through the bulb C in terms of V and R? Option 5 Option 1 V R 1 V 16 R Option 2 Option 4 E 1 V 8 R B 1 V 2 R