Question: A 4.0-kW heater is designed to be connected to a 120-V rms source. What is the power dissipated by the heater if it is instead

A 4.0-kW heater is designed to be connected to a 120-V rms source. What is the power dissipated by the heater if it is instead connected to a 120-V dc source?

Step by Step Solution

★★★★★

3.36 Rating (152 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

The average power dissipated by the heater ... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

956-P-M-L-M (2697).docx

120 KBs Word File

Students Have Also Explored These Related Mechanics Questions!

(a) Explain why a transformer works for ac but not for dc. (b) Explain why a transformer designed to be connected to an emf of amplitude 170 V would be damaged if connected to a dc emf of 170 V.

A 1-kW heater is designed to operate at 240 V. (a) What is its resistance, and what current does it draw? (b) What is the power dissipated in this resistor if it operates at 120 V? Assume that its...

What happens if a 40-W light bulb, designed to be connected to an ac voltage with amplitude 170 V and frequency 60 Hz, is instead connected to a 170-V dc power supply? Explain. What dc voltage would...

A 120V, 60Hz, 1/4hp universal motor runs at 2000 rpm and takes 0.6A when connected to a 120V d.c. source. Determine the speed, torque and power factor of the motor when it is connected to a 120V, 60...

The dramatic journey of the crippled Apollo 13 vehicle has been heavily documented and popularized. Many people know there was an explosion in the service module which caused the vehicle to lose its...

What is the potential difference between the plates of a 2.50-F capacitor that stores sufficient energy to operate a 75.0-Wlight bulb for one minute? Number UnitsReview Conceptual Example 7 as an aid...

Part A\ An extension cord made of two wires of diameter 0.129cm (no. 16 copper wire) and of length 2.4m ( 8ft ) is connected to an electric heater which draws 17.0A on a 120-V line.\ How much power...

What is this article about and did the article have problems that could have been solved? As she looked out the window on a rainy day, Rebecca Patterson was getting increasingly frustrated and...

An electric resistance space heater is designed such that it resembles a rectangular box 50 cm high, 80 cm long, and 15 cm wide filled with 45 kg of oil. The heater is to be placed against a wall,...

A 120-V electrical immersion heater is designed to heat 400 mL of water for tea in a glass cup in 3.00 minutes, starting from a water temperature of 20.0 degree C and heating it to 90.0 degree C. The...

Explain the structure of a C++ Program using a diagram.

Calculating Annuity Values your company will generate $65,000 in annual revenue each year for the next eight years from a new information database, if the appropriate interest rate is 8.5 percent,...

Let g ( n ) be the number of times the statement x = x + 1 is executed in the following pseudocode.

Why are indifference curves convex to the point of origin? What principle is involved in such convexity?

Find each temperature as indicated. 1. TC = 95C, TF = _____ 2. TF = 50F, TC = _____ 3. TC = 25C, TK = _____ 4. TF = 45F, TR = _____ 5. TK = 406 K, TC = _____ 6. TC = 75C, TK = _____ 7. TC = 50C, TK =...

1. The melting point of pure iron is 1505C. What Fahrenheit temperature is this? 2. The melting point of mercury is 38.0F. What Celsius temperature is this? 3. A welding white heat is approximately...

During the forging and heat-treating of steel, the color of heated steel is used to determine its temperature. Complete the following table, which shows the color of heat-treated steel and the...

Blossom Railroad C0. is about to issue $145,000 of 8 -year bonds that pay a 6.0% annual interest rate, with interest payable semiannually. The market interest rate is 5%. How much can Blossom expect...

When there is a recession (a fall in output) and prices are increasing, and this situation is caused by adverse supply shocks, the term economists use to describe it is d. stagnation b. inflation o...

Operation system course help me with these questions please 1- A. Write at least 5 definitions of Operating System 2- Write names and the main concepts of at least 5 storage types in a computer (1...