User Account

All Pages

Is the machines resistance ohmic

Assignment Help Physics
Reference no: EM13269672

A welding machine draws a 18A of current at 240V.

(a) What is its power rating?

(b) What is its resistance?

(c) When it is inadvertently connected to a 120V outlet, the current in it is 10A. Is the machine's resistance ohmic? Prove your answer.

Reference no: EM13269672

Questions Cloud

How many kilograms of deuterium were required : The largest fusion bomb ever detonated (called the Tsar Bomba) was tested by the Soviet Union in 1961. If this bomb used the deuterium-deuterium fusion reaction, how many kilograms of deuterium were required
Find voltage v1 for which the diode just starts to conduct : Given the following circuit, in which R1 = 200 (Ohm), R2 = 100(Ohm), V1 = 6 V, and V2 = 3 V. Assume the diode turn-on voltage is 0.7 V. Find the current through the circuit. Find the voltage V1 for which the diode just starts to conduct.
Evaluate the ph at the equivalence point : Calculate the pH at the equivalence point for the following titration: 0.10 M HCN versus 0.10 M NaOH. The Kb of CN- = 2.0 x 10-5.
Find probability that none is related to a kidney problem : About 30% of hospital admissions for diabetic patients because of some kidney problems. In a sample of 10 diabetic admissions, find the probability that none is related to a kidney problem?
Is the machines resistance ohmic : welding machine draws a 18A of current at 240V. When it is inadvertently connected to a 120V outlet, the current in it is 10A. Is the machine's resistance ohmic
Calculate the project expected npv : Calculate the project's expected NPV, standard deviation, and coefficient of variation. Round your answers to two decimal places. Enter your answers for the project's expected NPV and standard deviation in millions. For example, an answer of $13,0..
Explain a saturated aqueous solution of lead iodate : A saturated aqueous solution of lead(II) iodate, Pb(IO3)2, contains 3.1 x 10-5 M Pb+2 at 25°C. Assuming an ideal solution, and assuming no reaction of the ions with water, calculate the Ksp of lead(II) iodate at that temperature.
Find the speed of the block immediately after bullet exits : A 2.0kg block of wood sits on a table. A 3.0 g bullet, fired horizontally at a speed of 360m/s, find the speed of the block immediately after the bullet exits
Explain following data and select the best buffer system : Consider the following data and select the best buffer system below to make a buffer with a pH of 10.00.

Reviews

Write a Review

Physics Questions & Answers

  Calculate the new induced emf

A slinky with N even loops of area A is L long. You hook it up to a circuit and increase the current at a rate of 2.0 A/s, Now calculate the new induced EMF

  What spring constant new spring system to have

A dog sits 1.53-m from the center of a merry-go-round with an angular speed of 1.65 rad/s. If the magnitude of the force that maintains the dog's circular motion is 38-N, what is the dog's mass.

  Compute the distance it travels during the first second

When the Sun is straight overhead, a hawk dives toward the ground with the constant velocity of 4.50 m/s at 52° below the horizontal. Compute the speed of her shadow on the level ground.

  Find velocity of particle at the mid point of the path

A particle moving in a straight line with constant accelaration - Find the velocity of particle at the mid point of the path.

  What is the lift because of bernoullis principle

A thick-walled hollow cylinder (inner radius=47 cm, outer radius=66 cm) rolls down a 7° incline. If it starts with a speed of 1.9-m/s, what is its speed after it has travelled 16 m? (m/s).

  How much charged has flowed during the lightning bolt

In a lightning bolt, a large amount of charge flows during a time of 1.6 x 10-3 s, How much charged has flowed during the lightning bolt

  Write a general expression of the flux

Write a general expression of the flux

  Determine the mass of the second particle in kg

Two equally charged particles, held 22.4 cm apart, are released from rest. The initial acceleration of the first particle is observed to be 4.0 m/s2 and that of the second particle is 6.0 m/s2. If the mass of the first particle is 3.40 x 10-7 kg, ..

  What is the ball''s impact speed on the ground below

Estimate the change in COP of your electric food freezer when it is removed from your kitchen to its new location in your basement, which is 8 C° cooler than your kitchen. (Assume that the temperature in the kitchen is 20°C and that the temperature o..

  Find the radius of the circular path

The angular momentum of the electron as it moves around the center of the circle is 1.40 × 10-25J•s.Find the radius of the circular path.

  Calculate the torque required to generate the acceleration

Light is an electromagnetic wave and travels at a speed of 3.00 x 10^8 m/s. The human eye is most sensitive to yellow-green light, that has a wavelength of 5.45 x 10^-7m. How you find the frequency of this light.

  Define the phase difference between the two waves

At t = 0 a grinding wheel has an angular velocity of 27.0 rad/s. It has a constant angular acceleration of 32.0 rad/s2 until a circuit breaker trips at t = 2s. From then on, it turns by 432 rad as it coasts to a stop at constant angular accelerati..

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd