How efficient is the hot plate, Physics

+44 141 628 6080
[email protected]

How efficient is the hot plate

When boiling water, a hot plate takes an average of 464 seconds to boil 110 milliliters of water. Assume the temperature in the lab is 69 degrees fahrenheit. The hot plate is rated to provide 401 watts. How efficient is the hot plate? (Specific heat of water is 4.184 J/gK)

Request for Solution File

Ask an Expert for Answer!!

Physics: How efficient is the hot plate

Reference No:- TGS0738332

Expected delivery within 24 Hours

Have a Question? (oR Write a Review)

Write atleast 100 words!!

Recent Questions Asked Physics

Q : Determine the ratio of the heat transfer through the walls

Consider a house whose walls are 4 m high and 12 m long. Two of the walls of the house have no windows, while each of the other two walls has four wndows made of 0.6-cm-thick glass (k=0.78 W/m*C), 1.0 m x1.5 m in size.

Q : What will be the head rise

A Centrifugal pump can provide a 20-m head rise at 75 rev/min. If the rotation speed increases to 90 rev/min, what will be the head rise? Note the pump runs under dynamically similar conditions.

Q : Determine the exit area of the nozzle

Superheated ammonia enters an insulated nozzle at 200C and 800kPa. The flow through the low velocity inlet is at 0.015kg/s. At the discharge, the ammonia exits at 280kPa with a velocity of 400m/s.

Q : Determine the mass flow rate of the air through the unit

A compressor receives air at 95kPa and 250C at low velocity. At the exit of the compressor, air discharges at 1.52MPa and 4300C with a velocity of 80m/s.

Q : How efficient is the hot plate

Q : Magnitudes of a flat cirular loop

At what value of z (expressed in terms of R) is the ratio of the magnitudes of a flat cirular loop (the exact ratio using biot savart law and the appoximate using the dipole formula) equal to 0.95??

Q : Determine the intermediate temperature

Two Carnot engines operate in series such that the heat rejected from one is the heat input to the other. The heat rejected from the high temperature reservoir is 500 kJ.

Q : What brake torque needed to bring to stop in one revolution

A brake system applies a resistive torque of 25 N. How many revolutions will occur if a 300 kg solid wheel of diameter 0.25 m is slowed from 300 rpm to 0 rpm?

Q : How many photons are emitted per second

An X-ray machine accelerates electrons over a 300kV potential difference. The current is 1mA and the efficency of X-ray production in the anode is 0.01%. If the average energy of the emitted photon is 100keV, how many photons are emitted per secon

1961444

Questions
Asked

3,689

Active Tutors

1423240

Questions
Answered

Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!

ask Question

Request for Solution File

Ask an Expert for Answer!!

Physics: How efficient is the hot plate

Reference No:- TGS0738332

Have a Question? (oR Write a Review)

Recent Questions Asked Physics

Q : Determine the ratio of the heat transfer through the walls

Q : What will be the head rise

Q : Determine the exit area of the nozzle

Q : Determine the mass flow rate of the air through the unit

Q : How efficient is the hot plate

Q : Magnitudes of a flat cirular loop

Q : Determine the intermediate temperature

Q : What brake torque needed to bring to stop in one revolution

Q : How many photons are emitted per second

Assess for developmental dysplasia of the hip

Describe the industrial relations legislation

Why age an important issue in cold-heat therapy

Which is a serotonin norepinephrine reuptake inhibitor

Community education to prevent shaken baby syndrome

Community implementation of attachment interventions

What dietary modifications would be the most effective

Request for Solution File

Ask an Expert for Answer!!

Physics: How efficient is the hot plate

Reference No:- TGS0738332

Recent Questions Asked Physics

Q : Determine the ratio of the heat transfer through the walls

Q : What will be the head rise

Q : Determine the exit area of the nozzle

Q : Determine the mass flow rate of the air through the unit

Q : How efficient is the hot plate

Q : Magnitudes of a flat cirular loop

Q : Determine the intermediate temperature

Q : What brake torque needed to bring to stop in one revolution

Q : How many photons are emitted per second

Asked Questions