justin loves to make electromagnets in his spare time. he wanted to teach his friend jimmy about what the iron core of an electromagnet does. what is the best explanation?
a) it is a conductor that allows more current to flow through the electromagnet.
b) it produces a magnetic field that adds to the overall magnetic field of the electromagnet.
c) it is an insulator that protects people from getting shocked.
d) it produces a current that passes through the coil.
Answers: 3
Physics, 22.06.2019 05:50
High schoolphysics 5+3 pts a neon light consists of a glass tube with metal wires at each end. when connected to a high-voltage source, the gas glows. if a fly lands on the glass tube, what will most likely happen? a) the fly will not feel a shock because the glass conducts any free electrons back into the gas. b) electrons will flow directly from the metal wires along the glass and shock the fly. c) the fly will not feel a shock because the glass insulates it from the electrons in the gas and the metal. d) electrons that are moving through the gas will be conducted through the glass and shock the fly.
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Physics, 22.06.2019 07:30
Examine the nuclear reacti why is this classified as a nuclear reaction rather than a chemical reaction? it is not balanced. a new compound is formed. a change has occurred in a nucleus. a new element has been formed.
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Physics, 22.06.2019 07:40
How are series and parallel circuits simililar? both have multiple paths for electrons to travel. both require resistors in their circuits. both require a switch to complete the circuit. both have at least one path for electrons to travel.
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justin loves to make electromagnets in his spare time. he wanted to teach his friend jimmy about wha...
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