COLLEGE PHYSICS V1+WEBASSIGN MULTI-TERM
11th Edition
ISBN: 9780357683538
Author: SERWAY
Publisher: CENGAGE L
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Chapter 17, Problem 16P
To determine
The resistivity of the wire.
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Chapter 17 Solutions
COLLEGE PHYSICS V1+WEBASSIGN MULTI-TERM
Ch. 17.1 - Consider positive and negative charges all moving...Ch. 17.2 - Suppose a current-carrying wire has a...Ch. 17.3 - Look at the four circuits shown in Figure 17.6 and...Ch. 17.4 - Prob. 17.4QQCh. 17.4 - All electric devices are required to have...Ch. 17.4 - Suppose an electrical wire is replaced with one...Ch. 17.6 - Prob. 17.7QQCh. 17.6 - For the two resistors shown in Figure 17.12, rank...Ch. 17.6 - Two resistors, A and B, are connected in a series...Ch. 17.6 - The diameter of wire A is greater than the...
Ch. 17 - We have seen that an electric field must exist...Ch. 17 - A 12-V battery is connected across a device with...Ch. 17 - Prob. 3CQCh. 17 - In an analogy between traffic flow and electrical...Ch. 17 - Two copper wires A and B have the same length and...Ch. 17 - Two lightbulbs are each connected to a voltage of...Ch. 17 - Newspaper articles often have statements such as...Ch. 17 - There is an old admonition given to experimenters...Ch. 17 - What could happen to the drift velocity of the...Ch. 17 - Power P0 = I0 V0 is delivered to a resistor of...Ch. 17 - When is more power delivered to a lightbulb,...Ch. 17 - Prob. 1PCh. 17 - A copper wire has a circular cross section with a...Ch. 17 - In the Bohr model of the hydrogen atom, an...Ch. 17 - A typical lightning bolt may last for 0.200 s and...Ch. 17 - Prob. 5PCh. 17 - Prob. 6PCh. 17 - A 2.0 102-km-long high-voltage transmission line...Ch. 17 - An aluminum wire having a cross-sectional area of...Ch. 17 - An iron wire has a cross-sectional area of 5.00 ...Ch. 17 - Prob. 10PCh. 17 - Prob. 11PCh. 17 - Germanium is a semiconducting metal with a...Ch. 17 - Prob. 13PCh. 17 - Prob. 14PCh. 17 - Nichrome wire of cross-sectional radius 0.791 mm...Ch. 17 - Prob. 16PCh. 17 - A potential difference of 12 V is found to produce...Ch. 17 - The current supplied by a battery in a portable...Ch. 17 - A wire 50.0 m long and 2.00 mm in diameter is...Ch. 17 - Prob. 20PCh. 17 - Prob. 21PCh. 17 - The human body can exhibit a wide range of...Ch. 17 - Starting from Ohms law, show that E = J, where E...Ch. 17 - Prob. 24PCh. 17 - Prob. 25PCh. 17 - Prob. 26PCh. 17 - Prob. 27PCh. 17 - At what temperature will aluminum have a...Ch. 17 - At 20.0C, the carbon resistor in an electric...Ch. 17 - Prob. 30PCh. 17 - Prob. 31PCh. 17 - An engineer needs a resistor with a zero overall...Ch. 17 - In one form of plethysmograph (a device for...Ch. 17 - Prob. 34PCh. 17 - A 5.00-V power supply provides a maximum current...Ch. 17 - If electrical energy costs 0.12 per kilowatt-hour,...Ch. 17 - Residential building codes typically require the...Ch. 17 - A portable coffee heater supplies a potential...Ch. 17 - The heating element of a coffeemaker operates at...Ch. 17 - A typical cell phone consumes an average of about...Ch. 17 - Lightbulb A is marked 25.0 W 120. V, and lightbulb...Ch. 17 - Prob. 42PCh. 17 - A copper cable is designed to carry a current of...Ch. 17 - Batteries are rated in terms of ampere-hours (A ...Ch. 17 - The potential difference across a resting neuron...Ch. 17 - The cost of electricity varies widely throughout...Ch. 17 - An electric utility company supplies a customers...Ch. 17 - An office worker uses an immersion heater to warm...Ch. 17 - Two wires A and B made of the same material and...Ch. 17 - Prob. 50PCh. 17 - If a battery is rated at 60.0 A h, how much total...Ch. 17 - A car owner forgets to turn off the headlights of...Ch. 17 - Prob. 53APCh. 17 - A given copper wire has a resistance of 5.00 at...Ch. 17 - Prob. 55APCh. 17 - Birds resting on high-voltage power lines are a...Ch. 17 - Prob. 58APCh. 17 - You are cooking breakfast for yourself and a...Ch. 17 - The current in a conductor varies in time as shown...Ch. 17 - A 120.-V motor has mechanical power output of 2.50...Ch. 17 - Prob. 62APCh. 17 - A length of metal wire has a radius of 5.00 103 m...Ch. 17 - In a certain stereo system, each speaker has a...Ch. 17 - A resistor is constructed by forming a material of...Ch. 17 - When a straight wire is heated, its resistance...Ch. 17 - An x-ray tube used for cancer therapy operates at...Ch. 17 - A man wishes to vacuum his car with a canister...
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- Two copper wires (call them A and B) both have length 19.0 m but wire A has a radius 7.045 mm and wire B has a radius 2.668 mm. What is the ratio of the resistances of the two wires? The resistivity of copper is 1.68x10-8 Ω/m. Report your answer to three decimal places.arrow_forwardHow long is a tungsten wire if it has a diameter of 0.195 x 10 m and a resistance of 3.33 k2? The resistivity of tungsten -3 is 5.62 x 10-8 Q-m. length of the wire: marrow_forwardA copper wire has diameter 0.5 mm and resistivity of 1.6 × 10-8 Ω m. What will be the length of this wire to make its resistance 10 Ω? How much does the resistance change if the diameter is doubled?arrow_forward
- Not a graded question. It is a research hypothesis. 1. A copper ros is 3 m long and 4 mm in diameter. Compute its resistance if the resistivity of the materials is 1.76 × 10-8 ohms-m 2. A piece of number 10 aluminum wire has a diameter of 2.59 mm. How many meters of number 10 aluminum wire is needed to give a resistance of 1 ohms? Aluminum has p of 2.8 × 10-8 ohms-m 3. Compute the resistance of a 190-m wire made of silver having a cross-sectional area of 0.55mm2. Silver has a resistivity of 1.6 × 10-8 ohms-marrow_forwardSilver has a resistivity of 1.6x10-8 ohm-meters. What is the resistance of a silver wire with a radius of 0.59 mm and a length of 83 m?arrow_forwardThe wire in a water heater is an alloy composed of nickel, chromium, and copper and has a resistivity of 9.60×10-7 Ω-m. Determine the resistance of the wire if its length is 8.81 m and its diameter is 0.0012 m.arrow_forward
- An extension cord has a resistivity of p = 7.5 x 10-8 Ω.m. The cord is made from copper wire with a diameter D = 0.45 cm and it is L = 9.9 m long. (a) What is the resistance in ohms? R = (b) If a current of I= 2.95 A passes through the wire what voltage is the cord connected to, in volts? V=arrow_forwardA circuit calls for a 0.280 mm diameter copper wire to be stretched between two points. You don't have any copper wire, but you do have aluminum wire in a wide variety of diameters. What diameter (in mm) aluminum wire will provide the same resistance. Assume that the resistivity of copper is 1.7 x10-8 m and the resistivity of aluminum is 2.8 x10-8 m. Submit Answer Tries 0/10arrow_forwardA rectangular block of iron of resistivity 9.68 x 10-8 -m has dimensions 1.25 cm x 1.25 cm x 16.0 cm. 1. What is the resistance of the block measured between the two square ends? 2. What is the resistance between the two opposing rectangular faces? 3. Determine the temperature that would make the resistance of a copper conductor become one-third its resistance at 20oC (The temperature coefficient of copper is 3.9 x 10-3 /oC) 4. A circular wire has a circular cross section. The wire carries a current of 3.80 A. If the drift speed of the electrons is 4.50 x 10-5 m/s and the density of mobile charges is 1.10 x 1029, determine the radius of the wire in meters.arrow_forward
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