Page 14 of 18
B7 Figure B7.1 is a diagram showing a 240V mains supply connected to a television
set and two lamps.
Live
The power supplied to each lamp and television is 40W and 120W respectively,
when the switches are closed.
(a)
Calculate the total power supplied,
Power = .
b)total number of kilowatt hours (kWh) of energy supplied to the
circuit in 3.0 hours,
please show working​
Answers: 2
Another question on Physics
Physics, 21.06.2019 23:30
To do work, this truck uses energy stored in chemical fuel and an electrical battery. how much total energy does this truck put out?
Answers: 1
Physics, 22.06.2019 15:00
When is a current produced? when the terminals of an electrochemical cell are connected by a wire if the electric circuit is opened in an electrochemical cell if the electrolyte is removed from an electrochemical cell when the electrodes are reversed in an electrochemical cell
Answers: 1
Physics, 22.06.2019 17:00
If you wanted to move an electron from the positive to the negative terminal of the battery, how much work w would you need to do on the electron? enter your answer numerically in joules.
Answers: 1
Physics, 22.06.2019 17:30
Which of the following types of electromagnetic radiation has the longest wavelength? a. infrared light b. visible light c. ultraviolet light d. microwaves
Answers: 2
You know the right answer?
Page 14 of 18
B7 Figure B7.1 is a diagram showing a 240V mains supply connected to a television
Questions
Chemistry, 03.03.2020 23:33
Mathematics, 03.03.2020 23:33
Mathematics, 03.03.2020 23:33
Spanish, 03.03.2020 23:33
History, 03.03.2020 23:33
Physics, 03.03.2020 23:33
Mathematics, 03.03.2020 23:33
Chemistry, 03.03.2020 23:34
