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Two rails separated by a distance of 1.03 m are connected by a fixed wire on the leftend and a movable metal rod on the right, forming a loop. A uniform magnetic fieldwith magnitude 2.24 T points toward you through the loop. You move the rod to theleft with a speed of 5.33 m/s. Calculate the induced EMF and determine the directionof the current.
12.3 V counterclockwise
Created when a wire moves between the poles of a magnet
What is an electric current?
ALL the causes of the increase of magnetic field strength.
What is increased coils/increased motion/increased current
a region around a magnet that magnetic materials feel a force
What is magnetic fields?
The closer the magnetic field lines are together, the __________ it is.
What is stronger?
the effect of leaving a magnet still near a solenoid
What is the electric current stops?
the process of creating a current in a circuit by changing a magnetic field
What is electromagnetic induction?
An electromagnet requires a ____________ circuit
What is complete
Electric current can be best induced in a wire by.
moving a magnet up and down near the wire
The two parts of a magnetic field are known as these.
What are the north and south pole?
Describe, in your own words, the interaction betweenmagnetic flux, EMF, and induced current and magnetic field.
By changing magnetic flux, you induce an electromotive force (EMF). The current and magnetic fieldcreated by the induction will oppose the change in magnetic flux.
You want to design an experiment to test Faraday’s law. What two variables willyou need to test in order to verify his law?
Faraday’s law says that induced electromotive force is proportional to the numberof coils times the rate of change of magnetic flux. So, the two variables you need totest are rate of change of magnetic flux and number of coils.
According to Faraday’s law, what factors will produce a current in a wire loop?
increasing the area of the wire loop
moving a magnet away from the wire loop
A square loop with sides of length 1.1 m is oriented parallel to the y and z axes.A uniform magnetic field passes through the loop. The field is B = (1.4 T)xˆ + (0.8 T)ŷ.Determine the magnetic flux through the loop.
Φ = 1.7 T m2