Question

A generator consists of a rotating wire coil placed in a magnetic field. This process transforms ________energy into _________.Responsesmechanical to nuclear energymechanical to nuclear energymechanical to chemical energymechanical to chemical energymechanical to electrical energymechanical to electrical energyelectrical to mechanical energy

Answer 1

Two balloons are charged by friction against a wool cloth. How will the balloons react if placed next to each other?Responsesthey will be attracted to each other because they have the same chargethey will be attracted to each other because they have the same chargethey will repel each other because they both have negative chargethey will repel each other because they both have negative chargethey will be attracted to each other because they have opposite chargesthey will be attracted to each other because they have opposite chargesthey will repel each other because they both have opposite charges

Answer 2

not an option

Answer 3

hich is an example of gaining a static charge by conduction?ResponsesRubbing a balloon against your hair.Rubbing a balloon against your hair.Bringing a charged rod near an electroscope.Bringing a charged rod near an electroscope.Touching your car on a cold day and getting a shock.Touching your car on a cold day and getting a shock.going down a plastic slide in the playground

Answer 4

A student creates an electromagnetic wave and then reverses the direction of the current. Which of the following will happen to the magnetic field?ResponsesThe direction of the magnetic field will reverse.The direction of the magnetic field will reverse.The magnetic field will expand.The magnetic field will expand.The magnetic field will be cancelled out and disappear.The magnetic field will be cancelled out and disappear.The magnetic field will cause the voltage of the battery to be reduced.

Answer 5

An electric motor contains an electromagnet surrounded by a magnet. What is the function of an electromagnet in a motor?ResponsesThe electromagnet converts electrical energy to motion.The electromagnet converts electrical energy to motion.The electromagnet converts magnetic energy to electrical energy.The electromagnet converts magnetic energy to electrical energy.The electromagnet increases the strength of the magnet surrounding it.The electromagnet increases the strength of the magnet surrounding it.The electromagnet provides the electrical energy required for the motor to run.