Answered: The heating element of an electric oven…

The heating element of an electric oven is designed to produce 3.8 k of heat when connected to a 240-V source. Part A What must be the resistance of the element?

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 10CQ: Power P0 = I0 V0 is delivered to a resistor of resistance R0. If the resistance is doubled (Rnew =...

See similar textbooks

Related questions

Q: (II) A small box is held in place against a rough vertical wall by someone pushing on it with a…

Q: A service station charges a battery using a current of 5.2 A for 4.0 h . Part A How much charge…

A: To calculate the charge through the battery, the following formula is to be used. If I = Current, Q…

Q: A car starts from rest with an acceleration of 6.3 m/s2 which decreases linearly with time to zero…

Q: An object undergoing simple harmonic motion takes 0.25 s to travel from one point of zero velocity…

A: Given data: A simple harmonic motion Time taken between two points of zero velocity (t) = 0.25 s…

Q: A scuba diver swimming underwater at night shines abeam of light so that it hits the water-air…

Q: The figure shows a distance versus time graph for an object. d

A: slope of distance vs time curve gives velocity

Q: A sphere of mass 3.0 x 104 kg is suspended from a cord. A steady horizontal breeze pushes the sphere…

A: Given Mass of the sphere is m=3.0×10-4 kg Angle of the cord with the vertical is θ=26° We have to…

Q: The acceleration of a particle is given by a = 9t-22, where a is in meters per second squared and t…

A: given- a=9t-22at t=0 sec , So= -8m ,Vo=-7 m/s

Q: What are the units of heat and how do they differ from temperature?

Q: Problem # 01: Given two vectors u and v, the dot product (also called inner product) is defined by…

Q: Sec 6 Direction of Acceleration What determines the direction of the acceleration vector (assuming…

A: Let the acceleration vector = a→let the force vector = F→let the velocity vector = v→

Q: A stone was dropped freely from a balloon at a height of 190 m above the ground level. The balloon…

A: initial height (h) = 190 m initial velocity = u final speed (|v|) = 68 m/s

Q: 40. Vectors A and B each have a magnitude of 5 m and point to the left. Vector A begins at the…

A: "Since you have asked two different question, as per our guidelines we will solve one question for…

Q: A pitcher throws a 0.186-kg baseball, and it approaches the bat at a speed of 56.6 m/s. The bat does…

Q: A particle is launched from point A with a horizontal speed u and subsequently passes through a…

A: Given Data: The particle is launched from A with horizontal speed "u". Height from which particle is…

Q: How much refraction correction is required for a distance of 500 m. Find in the units of meter..

A: Given that:- Distance=D=500m

Q: Can the system in given figure be in static equilibrium in the position shown? The uniform bar AB…

Q: A small electric immersion heater is used to heat 83 g of water for a cup of instant coffee. The…

A: Given: The mass of the water is 83 g. The power of the heater is 69 W. The initial temperature is…

Q: 2. A 0.8kg cup sits on top of a car, which is moving at a constant velocity of 10m/s to the right.…

A: Given: The mass of the cup sitting on the top of the car is m = 0.8 kg The car moving with the…

Q: A beam of protons takes one second to move a distance of 7.62x10 5 m through a uniform 2179-G…

Q: An airplane is flying at 200 m/s at an angle of 30° north of east. How fast is the plane flying…

Q: 8) What is the slope of this velocity-time graph? Use appropriate units. Velocity (m/s) 25 20 5 s,…

A: We know that, the slope of the line on a velocity versus time graph is equal to the acceleration of…

Q: 3. Object A of mass 8 kg moving at 4 m s¹ collides with another object B of mass 6 kg moving at 5 m…

Q: A Water Balloon Battle. You are launching water balloons at a rival team using a large slingshot.…

Q: Chasing a zebra. A cheetah running at 30 m/s is pursuing a zebra going in a straight line at 14 m/s.…

Q: The graph of the velocity versus time for an object is as shown.: Au 2 3 103 5 0 -5 -10- t(s) 5 6 a.…

Q: A particle moves along a straight line with a velocity in millimeters per second given by v = 384 -…

Q: 1. Are the following statements True or False? ● ● ● All moving objects have a natural tendency to…

Q: An electron (mass m = 9.11 x 10-³¹ kg) is accelerated in the uniform field (E = 2.0 x 104 N/C)…

Q: The graph below shows the motion of Angelica and Beauford. What was Beauford 's average velocity…

A: at t = 18 sec, the position of Beauford (Red) is x1 = 5 m at t = 20 sec, the position of Beauford…

Q: Explain how the earth’s atmospheric greenhouse effect works-

A: Greenhouse effect is a natural action that warms the surface. Once the Sun's energy reaches the…

Q: An all female guitar septet is getting ready to go on stage. The lead guitarist, Kira,who is always…

A: Let the frequency of Kira be f.

Q: A space probe has two engines. Each generates the same amount of force when fired, and the…

Q: Calculate the energy it would take for 18 grams of water to go from 0°C to 130°C.

Q: c) Impressed by this claim, Sherry buys one. She hops into her new Mercedes sports car and steps on…

Q: After solving a difficult physics problem, an excited student throws his book straight up. It leaves…

Q: A single-stage rocket is launched vertically from rest, and its thrust is programmed to give the…

A: Given:upwards acceleration, a = + 4.3 m/s2time period of acceleration, to = 22 sas initially rocket…

Q: Situation 3. The rope CE exerts a 500-N force T on the hinged door. (a) Express T in terms of…

Q: Can the system in given figure be in static equilibrium in the position shown? The uniform bar AB…

Q: Block B in the figure weighs 650 N. The coefficient of static friction between block and table is…

Q: A spring within a spring launcher is compressed a distance, x, and locked into position by a pin at…

Q: A small airplane flying horizontally with a speed of 194 mi/hr at an altitude of 390 ft above a…

Q: particle is initially located at cm and has a velocity mm/s. Magnets are used to accelerate this…

Q: How about 11518 light-years? how many sig figs are there?

A: The given quantity is 11518 light-years.

Q: 9) Consider this graph that plots the velocity of an object over a 10 second interval. a) Determine…

Q: What is latent heat? How is latent heat an important source of atmospheric energy? Draw your answer.

A: Question: (a) What is latent heat? (b) How is latent heat an important source of atmospheric…

Q: In an archery test, the acceleration of the arrow decreases linearly with distances from its initial…

Q: A rock rests on a horizontal plane. The plane is slowly tilted so that the angle between the surface…

Q: The figure below shows two charged particles separated by a distance of d = 3.00 cm. The charges are…

A: Given : Charges q1=-11.5 nC=-11.5×10-9 C, q2=28.5 nC=28.5×10-9 C, Distance d=3 cm=0.03 m. Required:…

Q: An object at a certain location has a mass of 2 kg and weights 19 N on a spring balance. What is the…

A: Given data: Mass (m) = 2 kg Weight (W) = 19 N Required: The acceleration due to gravity (g)

Question

The heating element of an electric oven is designed to produce 3.8 k of heat when connected to a 240-V source.

Part A

What must be the resistance of the element?

Expert Solution

This question has been solved!

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

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 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

Resistors are commonly rated at 18W,14W,12W ,1 W and 2 W for use in electrical circuits. If a current of1 = 2.00 A is accidentally passed through a R=1.00 resistor rated at 1 W, what would be the most probable outcome? Is there anything that can be done to prevent such an accident?
Power P0 = I0 V0 is delivered to a resistor of resistance R0. If the resistance is doubled (Rnew = 2R0) while the voltage is adjusted such that the current is constant, what are the ratios (a) Pnew/P0 and (b) Vnew/V0? If, instead, the resistance is held constant while Pnew = 2P0, what are the ratios (c) Vnew/V0, and (d) Inew/I0?
Explain why R=R0(1 + a?T) for the temperature variation of the resistance R of an object is not as accurate as P=P0(1 + a?T) which gives the temperature variation of resistivity P.
The potential difference across the filament of a light-bulb is maintained at a constant value while equilibrium temperature is being reached. The steady-state current in the bulb is only one-tenth of the current drawn by the bulb when it is first turned on. If the temperature coefficient of resistivity for the bulb at 20.0C is 0.004 50 (C)-1 and the resistance increases linearly with increasing temperature, what is the final operating temperature of the filament?
If the current carried by a conductor is doubled, what happens to (a) the charge carrier density, (b) the current density, (c) the electron drift velocity, and (d) the average time interval between collisions?
Use the atomic theory of matter to explain why the resistance of a material should increase as its temperature increases.
The resistance of an electric heater is 90 Ω when connected to 120 V. How much energy does it use during 20 min of operation?
A person with body resistance between his hands of 10.0 kΩ accidentally grasps the terminals of a 20.0-kV power supply. (Do NOT do this!) If the internal resistance of the power supply is 2000Ω , what is the current through his body?
A person standing barefoot on the ground 20 m from the point of a lightning strike experiences an instantaneous potential difference of 300 V between his feet. If we assume a skin resistance of 1.0 kΩ, how much current goes up one leg and back down the other?
The recovery time of a hot water heater is the time required to heat all the water in the unit to the desired temperature. Suppose that a 20-gallon (1.00 gal = 3.79 x 10-3 m3) unit starts with water at 14 °C and delivers hot water at 55 °C. The unit is electric and uses a resistance heater (120 V AC, 3.4 Ω) to heat the water. If water has a specific heat capacity of 4186 J/(kg°C) and a density of 1000 kg/m3, and assuming that no heat is lost to the environment, what is the recovery time of this hot water heater?
At room temperature (27.0 °C) the resistance of a heating element is 100 Ω. What is the temperature of the element if the resistance is found to be 117 Ω, given that the temperature coefficient of the material of the resistor is 1.70 × 10-4 °C-1
A 120 V potential difference is applied to a space heater whose resistance is 13.7 Ω when hot. At what rate is electrical energy being transferred to thermal energy? How much thermal energy is produced in 9.1 hours?