Homework Answers
A current will flow left-to-right through the
loop
As the magnet is approaching the loop, the magnetic field lines are
increasing through the loop. Since it is the north side of the
magnet, the field lines are directed into the loop. The induced
magnetic field must be directed towards the top of the page to
counter the magnetic field of the magnet. For this, the current has
to anticlockwise (looking from above the loop). So the
current must flow from left to right through the
resistor to produce such a magnetic field.
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N w R The bar magnet above is about to fill through the loop containing...
S -N R The bar magnet above is about to fall through the loop containing resister...
S -N R The bar magnet above is about to fall through the loop containing resister R. Resistor Ris on the section of the loop that is closest to you. What will happen? (Explain your reasoning!) o nothing will happen O a current will flow left-to-right through the resistor R O a current will flow right-to-left through the resistor R an electric current will flow south-to-north through the bar magnet the magnet will split in half according to the Roche...
Consider the bar magnet shown in the figure below. It is falling through the loop of...
Consider the bar magnet shown in the figure below. It is falling through the loop of wire with a constant velocity and with the north pole entering first. 9. The current moving through the resistor will be a. from left to right b. from right to left C. zero
For the following situations involving a bar magnet and circular conducting loop, indicate the direction of...
For the following situations involving a bar magnet and circular conducting loop, indicate the direction of the induced current in a diagram and explain your reasoning clearly. (a) You move the north pole of the magnet towards the loop, keeping the magnet aligned with the symmetry axis of the loop. (b) You move the south pole of the magnet towards the loop, keeping the magnet aligned with the symmetry axis of the loop. (c) You move the north pole of...
Magnetic induction lab: 5 questions A vertical bar magnet is dropped through the center of a...
Magnetic induction lab: 5 questions
A vertical bar magnet is dropped through the center of a horizontal loop of wire, with its south pole leading. At the moment just before the south pole passes through the loop, what is the direction of the induced current in the loop (viewed from above)? 2. Explain your answer to the previous question. 3. A vertical bar magnet is dropped through the center of a horizontal loop of wire, with its south pole leading....
General Physics 2 w/o calc
Now suppose that the battery is removed and replaced with an ammeter. No current will flow through the wire because there is no energy source. Consider what will happen when a barmagnet is pushed toward the coil as shown in the figure below. When the coil "feels" the changing magnetic field caused by the approach of the bar magnet, it will thereby become energized; a current will begin to flow through it, and the ammeter will register that current. This...
What is the direction of the induced magnetic field in the coil when the bar magnet is moving...
A coil is suspended around an axis which is colinear with the axis of a bar magnet.The coil is connected to a resistor with ends labeled “a” and “b”. The bar magnet moves from left to right with North and South poles labeled as in the figure. UseLenz’s law to answer the following question concerning the direction of induced currents and magnetic fields.What is the direction of the induced magnetic field in the coil when the bar magnet ismoving from...
Q4 A bar magnet is held above a loop of wire in a horizontal plane, as...
Q4 A bar magnet is held above a loop of wire in a horizontal plane, as shown in Figure. According to the Lenz's law (write the Lenz's law), find the direction of the induced current through the resistor (a) while the magnet is falling toward the loop and (b) after the magnet has passed through the loop and moves away from it (draw the magnetic field lines of both the magnet and loop). R
1. The stack of magnets works as one big bar magnet. Do the poles change when...
1. The stack of magnets works as one big bar magnet. Do the poles change when you divide the magnet into pieces? 2. In step 3 of the experiment, do both sides of the magnet attract the metal surface? Explain how a single magnet can repel the rest of the stack, but still stick to the other surface. 3. How does the magnet attract something that is originally non?magnetic? 1. Describe the direction of the compass needle as you moved...
answer all Q pls 8. A bar magnet is dropped through a loop of copper wire as shown. Recall that ou magnet, magnetic field lines point away from a north pole and toward a south p positive direct...
answer all Q pls
8. A bar magnet is dropped through a loop of copper wire as shown. Recall that ou magnet, magnetic field lines point away from a north pole and toward a south p positive direction of the induced current I in the loop is as shown by the arrows on the loop, the variation of I with time as the bar magnet falls through th by which of the following graphs (the time when the midpoint of...
Answer all questions. Please. 5) The earth is a huge magnet... in the northern hemisphere which...
Answer all questions. Please.
5) The earth is a huge magnet... in the northern hemisphere which magnetic pole would be located there? a) Northern magnetic pole b) Southern magnetic pole c) Geographic north d) Geographic south 8) A resistor is put in a circuit to control the amount of charge that flows through it. In the process of controlling the charge, what will happen to the body of the Resistor? a) It will get hot b) It will remain unchanged...
S -N R The bar magnet above is about to fall through the loop containing resister R. Resistor Ris on the section of the loop that is closest to you. What will happen? (Explain your reasoning!) o nothing will happen O a current will flow left-to-right through the resistor R O a current will flow right-to-left through the resistor R an electric current will flow south-to-north through the bar magnet the magnet will split in half according to the Roche...
Consider the bar magnet shown in the figure below. It is falling through the loop of wire with a constant velocity and with the north pole entering first. 9. The current moving through the resistor will be a. from left to right b. from right to left C. zero
Magnetic induction lab: 5 questions
A vertical bar magnet is dropped through the center of a horizontal loop of wire, with its south pole leading. At the moment just before the south pole passes through the loop, what is the direction of the induced current in the loop (viewed from above)? 2. Explain your answer to the previous question. 3. A vertical bar magnet is dropped through the center of a horizontal loop of wire, with its south pole leading....
Q4 A bar magnet is held above a loop of wire in a horizontal plane, as shown in Figure. According to the Lenz's law (write the Lenz's law), find the direction of the induced current through the resistor (a) while the magnet is falling toward the loop and (b) after the magnet has passed through the loop and moves away from it (draw the magnetic field lines of both the magnet and loop). R
answer all Q pls
8. A bar magnet is dropped through a loop of copper wire as shown. Recall that ou magnet, magnetic field lines point away from a north pole and toward a south p positive direction of the induced current I in the loop is as shown by the arrows on the loop, the variation of I with time as the bar magnet falls through th by which of the following graphs (the time when the midpoint of...
Answer all questions. Please.
5) The earth is a huge magnet... in the northern hemisphere which magnetic pole would be located there? a) Northern magnetic pole b) Southern magnetic pole c) Geographic north d) Geographic south 8) A resistor is put in a circuit to control the amount of charge that flows through it. In the process of controlling the charge, what will happen to the body of the Resistor? a) It will get hot b) It will remain unchanged...
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