2. An electric heater is constructed by applying a potential difference of 120 V across a Nichrome wire that has a total resistance of 8.00 V. Find the current carried by the wire and the power rating of the heater. 1. The radius of 22-gauge Nichrome wire is 0.32 mm. (a) Calculate the resistance per unit length ofthis wire. (b) If a potential difference of 10 V is maintained across a 1.0-m length of theNichrome wire, what is the current in the wire?2. An electric heater is constructed by applying a potential difference of 120 V across a Nichromewire that has a total resistance of 8.00 V. Find the current carried by the wire and the powerrating of the heater.

. An electric heater is constructed by applying a potential difference of 120 V across a Nichrome wire that has a total resistance of 8.00 V. Find the current carried by the wire and the power rating of the

. An electric heater is constructed by applying a potential difference of 120 V across a Nichrome wire that has a total resistance of 8.00 V. Find the current carried by the wire and the power rating of the

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter17: Current And Resistance

Section: Chapter Questions

Problem 58AP

See similar textbooks

Related questions

Q: Consider the following figure. 7.00 N 4.00 N 9.00 2 R a (a) Find the equivalent resistance between…

Q: Resistance of potentiometer wire is 12 per meter. A Daniel cell of e.m.f. 1.08 v balances at 216 cm…

A: To find-(1) Current through wire=?(2) Balancing length (l2)=?Given-Resistance per meter=1 ohmE1=1.08…

Q: 1. The current supplied to an air conditioner unit is 4.5 amps. The air conditioner is wired using a…

Q: What current flows through the bulb of a 3.00 V flashlight when its hot resistance is 3.60 Q? The…

Q: 4. The electrical resistance of human body in about 50 ko on average. If a person inadvertently…

A: Internal resistance (r)=2000 ohmsElectrical resistance of human body=50000 ohmsPower supply=20000 V

Q: A wire 4.0 m long and 6.0 mm in diameter has a resistance of 15 m2. A potential difference of 23 V…

Q: The EMF of the battery is 1.4 V and its internal resistance is 12 N. It is connected to an external…

Q: copper ros is 3 m long and 4 mm in diameter. Compute its resistance if the resistivity of the…

Q: 5. A battery is connected to a load resistor R. When its value is 1.82, the current value is 0.7 A.…

Q: The following results are for five cells in series. The e.m.f. of the five cells together is 6.9 V.…

A: E = 6.9 V V = 3.3 V R = 2.2 ohm I = 1.5 A

Q: .A burning lamp is marked 800 kW, 230 kV. (a) How much current flows through the lamp? (b) What is…

A: Note: Asper Bartleby guidelines only one question has to be solved at a time. Upload other parts…

Q: 1. An unknown alloy is subjected to an electric field of 25 V/m, and has a current density of 1.45 ×…

Q: . A certain lightbulb has a tungsten filament with a resistance of 19.0 N when at 20.0°C and 140 N…

Q: 1. Find the resistance of an aluminum wire that has a length of 200 meters and 1.63 mm diameter. The…

Q: Using Kirchhoff's rules, (a) find the current in each resistor in Figure. (b) Find the potential…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: A wire with a temperature coefficient of resistance (a = 0.0075/°C) has a resistance of 6.28 2 at…

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

Q: 3. a) Calculate the resistance per unit length of an iron wire, which has a radius of 1.5 mm. The…

Q: 13. The p.d. at the terminals of a battery is 16V when no load is connected and 14V when a load…

Q: When 1104.1 V is applied across a wire that is 5.8 m long and has a 0.30 mm radius, the magnitude of…

A: Given: The supply voltage is V=110a.1 V. The length of the wire is L=5.8 m. The radius of the…

Q: Find the resistance (in the unit of Ohm) of a Nichrome rod of diameter d=10 mm and has a length L=7…

Q: 1. What current flows through a 0.50 mm diameter rod of silver that is 80.0 cm long, when 12 V is…

A: Write the values of this problem. d=0.50 mm or 5×10-4 mL=80 cm or 0.8 mV=12 Vρsilver=1.59×10-8 ohm-m

Q: A small bulb is rated at 7.50 W when operated at 125 V. The tungsten filament has a temperature…

A: Power of bulb P = 7.50 W at voltage V= 125 V Temperature coefficient of resistivity α = 4.50 * 10-3…

Q: 13. The electric charge that moves through a conductor varies in accordance with the equation q(t)…

Q: An electric heater is constructed by applying a potential difference of 120 V to a Nichrome wire…

A: Given that, The potential difference of the heater, V = 120 V Resistance of the wire, R = 8 ohms We…

Q: While repairing an electric bulb socket, an clectrician gets a mild shock when a current of. 0.005 A…

A: In the initial case, the resistance of the electrician is R=VI=120V0.005A=24000Ω

Q: An electric heater is constructed by applying a potential difference of 95.1V across a wire with a…

A: Given Data : The voltage applied across the heater is given as V = 95.1V. The resistance of the wire…

Q: How much current will flow through a 40.0-m length of metal wire with a radius of 4.0 mm if it is…

Q: 5. A coil of Nichrome wire is 25.0 m long. The wire has a diameter of 0.400 mm and is at 20.0°C. If…

A: Let l be the length of the nichrome wire, d be its diameter, I be the current in the wire, and Ti be…

Question

2. An electric heater is constructed by applying a potential difference of 120 V across a Nichrome wire that has a total resistance of 8.00 V. Find the current carried by the wire and the power rating of the heater.

1. The radius of 22-gauge Nichrome wire is 0.32 mm. (a) Calculate the resistance per unit length of
this wire. (b) If a potential difference of 10 V is maintained across a 1.0-m length of the
Nichrome wire, what is the current in the wire?
2. An electric heater is constructed by applying a potential difference of 120 V across a Nichrome
wire that has a total resistance of 8.00 V. Find the current carried by the wire and the power
rating of the heater.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step 3

VIEW

Step by step

Solved in 3 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.

Similar questions

The quantity of charge q (in coulombs) that has passed through a surface of area 2.00 cm2 varies with time according to the equation q = 4t3 + 5t + 6, where t is in seconds. (a) What is the instantaneous current through the surface at t = 1.00 s? (b) What is the value of the current density?
What current flows through a 2.54-cm-diameter rod of Pure silicon that is 20.0 cm long, when 1.00103 V is applied to it? (Such a rod may be used to make nuclear- particle detectors, for example.)
The current through a 12-gauge wire is given as I(t)=(5.00A)sin(260Hzt)). What is the current density at time 15.00 ms?
3. a) Calculate the resistance per unit length of an iron wire, which has a radius of 1.5 mm. The resistivity of iron is 10 x 10-8 N. m. b) If the potential difference of 20 V is maintained across a 2.0-m length of the iron wire, what is the current in the wire?
1. What current flows through a 2.54 cm diameter rod of pure silicon that is 20.0 cm long, when 1.00 x 10°V is applied to it? 2. Find the ratio of the diameter of aluminium to copper wire, if they have the same resistance per unit length. Take the resistivity values of aluminium and copper to be 2.65x 10- 2m and 1.72 x 10-® 2 m respectively. Answers to the following question will be relevant for the in-labs. Please note your answers when going in for the main lab session.
1.A burning lamp is marked 800 kW, 230 kV. (a) How much current flows through the lamp? (b) What is its resistance? 2.Compute the work and the average power required to transfer 1000 kC charge in 0.5 hours through a potential rise of 60 V. 3.How much electrical energy is used when a 345 kV appliance operates at 4 A for 3 minutes? 4. A resistor carries a current of 0.46 mA when the potential difference across it is 25 volts. What is the resistance of the resistor? 5. A potential difference of 0.78 kV is applied to the two resistors of 5.3 Ω and 4.9 Ω connected in series. Find (a) the combined resistance of the two resistors, (b) the current flowing in the circuit, and (c) the potential difference across each resistor. 6. A machine part has a resistor ? protruding from an opening in the side. This resistor is connected to three other resistors, as shown in the figure below. An ohmmeter is connected across ? and ? reads 2.00 Ω. What is the resistance of ?? 7. A charged…
19. A wire 4.0 m long and 6.0 mm in diameter has a resistance of 15 m2. A potential difference of 23 V is applied between the ends. (a) What is the current in the wire? (b) Calculate the current density. (c) Calculate the resistivity of the wire mate- rial.
1. Calculate the number of free electrons in a copper conductor having a diameter of 0.064in and a length of 1000ft. 2. A current of 5A exist in a 10ohms resistance for 4 minutes. A) How many coulombs B) How many electrons pass through any section of the resistor in this time? Charge of e= 1.6x10^-19. 3. The electric charge that moves through a conductor varies in accordance with the equation q=800t, where q and t are given in coulombs and milliseconds, respectively. Calculate the current in Ampere. 4. Determine the total charge entering a terminal between t=2s, if the current passing the terminal is I= (3t^2-t)A
1. Find the resistance of an aluminum wire that has a length of 200 meters and 1.63mm diameter. The wire is at 20 OC. Note that the resistivity of aluminum at 20OCis 2.8 x 10 – 8 Ω-m. 2. A piece of copper wire has a resistance of 1.5 Ω. Solve for the resistance of themanganin wire of one-fourth length and one-fifth diameter if the resistivity ofmanganin is 20 times that of copper. 3. What is the resistance of a copper bus bar 9.15 meter long and 7.62 cm by 1.27cm in cross section? Use 1.78 μΩ-cm specific resistance for copper.
1. What current flows through a 0.50 mm diameter wire of Platinum that is 80.0 cm long, when 12 V is applied to it? Resistance of Platinum wire %3D Current flowing through the Platinum wire : A. [3 marks] Resistivity p (ohm m) Material Silver 1.59 x 10-8 Соpper 1.68 x10-8 Copper, annealed 1.72 x10-8 Aluminum 2.65 x10-8 Tungsten 5.6 x10-8 Iron 9.71 x10-8 Platinum 10.6 x10-$ Manganin 48.2 x10-8 Lead 22 x10-8 Itego cupnlied by th
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-m
1. Nichrome is a metal alloy that has a resistivity of 108 X 10Q m. a) What is the resistance of a nichrome wire of length 5.00 m and diameter 1.32 mm? b) If the wire in part (a) above is connected to a cell of emf 1.55 volts and it is found that a current of 365 mA flows, what is the Internal resistance of the cell?