subject
Physics, 05.10.2019 14:30 bzhsh8282

A: transformers work with either ac or dc electricity. true/false
b: power companies use high voltages to reduce power loss over long transmission distances. true/false
c: a(n) uses electromagnetic induction to increase or decrease voltage.
d: materials that lose all electrical resistance at low temperatures are known as and are ideal for constructing powerful electromagnets.
e: an electric device that uses an electromagnet to open and close a switch is a(n)

ansver
Answers: 1

Another question on Physics

question
Physics, 22.06.2019 01:30
John throws .4 kg ball with velocity of 18 m/s. hits .2 kg bottle and bottle flies 25 m/s. how fast is ball traveling after hitting the bottle?
Answers: 1
question
Physics, 22.06.2019 07:30
Rohit is trying to tune an instrument
Answers: 1
question
Physics, 22.06.2019 22:00
Ahurricane sweeps across the ocean and damages the houses of people living along the coast. which of these does not play any role in this interaction? air water glaciers living things
Answers: 1
question
Physics, 22.06.2019 22:00
If anyonee has done the momentum lab practical in physics can you give me the answers i am s lostt rnn : (
Answers: 2
You know the right answer?
A: transformers work with either ac or dc electricity. true/false
b: power companies use hig...
Questions
Questions on the website: 13722362