Physics, 19.01.2021 17:40, kleathers97
Use the following formulae to solve these questions. Show your workings and state
units for all answers.
1. An electric lamp transfers 500 J in 5 s. What is its power?
2. A device transfers 100 J in 5 s. What is its power?
3. How much energy is transferred by a 5 W lamp in 2 minutes?
4. Which is the greatest power rating? 300W, 0.3kW or 3000W
5. What is the power of a lamp with a current of 5A and potential difference of
1.5V?
Answers: 3
Physics, 22.06.2019 04:00, binodkharal2048
Which configuration would produce an electric current? a) rotate a coil of copper wire between two magnets. b) connect a wire between a copper and zinc strip sitting in a beaker of water. c) connect a wire to the (+) positive end of a battery and the other end to a light bulb. d) connect a wire to the negative end of a battery and the other end to a light bulb.
Answers: 2
Physics, 22.06.2019 17:10, kaiyakunkle
What causes the development of most clouds and precipitation in the atmosphere?
Answers: 1
Physics, 22.06.2019 22:00, tewilliams1
If anyonee has done the momentum lab practical in physics can you give me the answers i am s lostt rnn : (
Answers: 2
Use the following formulae to solve these questions. Show your workings and state
units for all ans...
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