Physics, 04.05.2021 21:10 sammilower04
A circuit contains a 24 volt battery, a 1 ohm bulb and a 2 ohm bulb. What is the Total Resistance and current?
A) 2 ohms and 72 amps
B)3 ohms and 8 amps
C) 72 ohms and 3 amps
D) 27 ohms and 8 amps
Answers: 2
Physics, 20.06.2019 18:04
Agenerator converts mechanical energy to electrical energy. when a coil placed between two magnets rotates, the magnetic lines of force are disturbed. this induces a current in the coil. the image below shows a generator. what could be done to make the lamp brighter? a. decrease the size of the magnets b. turn the coil slower c. change the polarity of the magnets d. turn the coil faster
Answers: 3
Physics, 22.06.2019 05:00
Red light strikes a metal surface and electrons are ejected. if violet light is now used with a 10% greater intensity, what will happen to the ejection rate (number of ejected electrons per second) and the maximum energy of the electrons? a) greater ejection rate; same maximum energyb) same ejection rate; greater maximum energyc) greater ejection rate; greater maximum energyd) same ejection rate; same maximum energye) none of the above answers are correct
Answers: 1
Physics, 22.06.2019 22:30
Which is a substance that can be separated by physical means and is not the same throughout
Answers: 2
A circuit contains a 24 volt battery, a 1 ohm bulb and a 2 ohm bulb. What is the Total Resistance an...
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