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18 and 19 please !!!
R. 18. The direction of the magnetic field at point R...
15-21 Proton 15. A proton traveling with speed venters a uniform clectric field of magnitude E,...
15-21
Proton 15. A proton traveling with speed venters a uniform clectric field of magnitude E, directed to the right and parallel to the plane of the page, as shown in the figure on the right. There is also a magnetic force on the proton that is in the direction opposite to that of the electric force Which of the following is a possible direction for the magnetic field? (A) Bottom of page (B) Top of page (C) To the...
Problem 7: For each situation shown below, indicate • the direction of the area vector you...
Problem 7: For each situation shown below, indicate • the direction of the area vector you have chosen (direction of positive flux) the sign of the flux using that area vector • whether the flux is increasing or decreasing the direction of the induced magnetic field • the direction of the induced current . • the direction of the net force on the loop Loop of wire I - Increasing a) Loop near a wire with current increasing Loop of...
#14 3 •R What is the direction of the magnetic field at point R (midpoint between...
#14
3 •R What is the direction of the magnetic field at point R (midpoint between the two wires) caused by the two current carrying wires? 1. To the left 2. Towards the bottom wire 3. To the right 4. Into the page 5. There is no magnetic field 6. Out of the page 7. Towards the top wire 013 10.0 points Consider three evenly spaced parallel wires arranged in a row as shown. 1. Upwards 2. Downwards 3. It...
#13 3 •R What is the direction of the magnetic field at point R (midpoint between...
#13
3 •R What is the direction of the magnetic field at point R (midpoint between the two wires) caused by the two current carrying wires? 1. To the left 2. Towards the bottom wire 3. To the right 4. Into the page 5. There is no magnetic field 6. Out of the page 7. Towards the top wire 013 10.0 points Consider three evenly spaced parallel wires arranged in a row as shown. 1. Upwards 2. Downwards 3. It...
The magnetic field at the centre of a circular loop of wire of radius 1.43 cm...
The magnetic field at the centre of a circular loop of wire of radius 1.43 cm is 3.41 x 104 T in magnitude. (a) What is the current in the wire? (b) If the loop is in a horizontal plane and the field at its centre is upward, is the current flowing clockwise, or counterclockwise, as viewed from above? clockwise counterclockwise
4)Find the direction of the magnetic field acting on the positively charged particle moving in the...
4)Find the direction of the magnetic field acting on the
positively charged particle moving in the various situations shown
in the figure below if the direction of the magnetic force acting
on it is as indicated.
(a) ---Select From the Options Below---
-downward
-upward
-out of the page
-to the right
-to the left
-into the page
(b) ---Select From the Options Below---
-into the page
-downward
-to the right
-out of the page
-to the left
-upward
(c) ---Select From the Options...
24 A circular loop of wire is in a region of spatially uniform magnetic field directed...
24 A circular loop of wire is in a region of spatially uniform magnetic field directed into the page. Determine the direction of the induced current (as viewed from above) when the magnitude of the magnetic field is increasing. a. Clockwise b. Counterclockwise c. No current flows. 25 An electron enters a region where the uniform magnetic field strength is 4.0 T at a velocity of 4.88 x 10^m/s perpendicular to the field. Determine the radius of gyration of the...
1. When charged particles move parallel to the direction of a magnetic field, then according to...
1. When charged particles move parallel to the direction of a magnetic field, then according to the magnetic force equation, the particles will travel in a a. straight line b. circular path c. helical path d. loop 2. A 3.0-m length of wire is stretched horizontally between two vertical posts. The wire carries a current of 54.9 A and experiences a magnetic force of 20.6 N. If the magnetic field has a strength of 0.25 T at the location of...
please explain why 1. (6 pints Indicate the direction of the induced current in each loop...
please explain why
1. (6 pints Indicate the direction of the induced current in each loop by writing clockwise, counterclockwise or none. a) The current in the wire is increasing. d) The loop is moving to the right. The arrows indicate the magnetic field. CCW none B. b) The loop is moving towards the top of the page. e) The loop is increasing in size Cw none х x x x x x x X x x x x x...
When the switch is open, which of the following statements about the magnetic flux through the...
In this problem, you will use Lenz's law to explore what happens when an electromagnet is activated a short distance from a wire loop. You will need to use the right-hand rule to find the direction of the induced current. When the switch is open, which of the following statements about the magnetic flux through the wire loop is true? Assume that the direction of the vector area of the wire loop is to the right. There is no magnetic...
15-21
Proton 15. A proton traveling with speed venters a uniform clectric field of magnitude E, directed to the right and parallel to the plane of the page, as shown in the figure on the right. There is also a magnetic force on the proton that is in the direction opposite to that of the electric force Which of the following is a possible direction for the magnetic field? (A) Bottom of page (B) Top of page (C) To the...
Problem 7: For each situation shown below, indicate • the direction of the area vector you have chosen (direction of positive flux) the sign of the flux using that area vector • whether the flux is increasing or decreasing the direction of the induced magnetic field • the direction of the induced current . • the direction of the net force on the loop Loop of wire I - Increasing a) Loop near a wire with current increasing Loop of...
#14
3 •R What is the direction of the magnetic field at point R (midpoint between the two wires) caused by the two current carrying wires? 1. To the left 2. Towards the bottom wire 3. To the right 4. Into the page 5. There is no magnetic field 6. Out of the page 7. Towards the top wire 013 10.0 points Consider three evenly spaced parallel wires arranged in a row as shown. 1. Upwards 2. Downwards 3. It...
#13
3 •R What is the direction of the magnetic field at point R (midpoint between the two wires) caused by the two current carrying wires? 1. To the left 2. Towards the bottom wire 3. To the right 4. Into the page 5. There is no magnetic field 6. Out of the page 7. Towards the top wire 013 10.0 points Consider three evenly spaced parallel wires arranged in a row as shown. 1. Upwards 2. Downwards 3. It...
The magnetic field at the centre of a circular loop of wire of radius 1.43 cm is 3.41 x 104 T in magnitude. (a) What is the current in the wire? (b) If the loop is in a horizontal plane and the field at its centre is upward, is the current flowing clockwise, or counterclockwise, as viewed from above? clockwise counterclockwise
4)Find the direction of the magnetic field acting on the
positively charged particle moving in the various situations shown
in the figure below if the direction of the magnetic force acting
on it is as indicated.
(a) ---Select From the Options Below---
-downward
-upward
-out of the page
-to the right
-to the left
-into the page
(b) ---Select From the Options Below---
-into the page
-downward
-to the right
-out of the page
-to the left
-upward
(c) ---Select From the Options...
24 A circular loop of wire is in a region of spatially uniform magnetic field directed into the page. Determine the direction of the induced current (as viewed from above) when the magnitude of the magnetic field is increasing. a. Clockwise b. Counterclockwise c. No current flows. 25 An electron enters a region where the uniform magnetic field strength is 4.0 T at a velocity of 4.88 x 10^m/s perpendicular to the field. Determine the radius of gyration of the...
please explain why
1. (6 pints Indicate the direction of the induced current in each loop by writing clockwise, counterclockwise or none. a) The current in the wire is increasing. d) The loop is moving to the right. The arrows indicate the magnetic field. CCW none B. b) The loop is moving towards the top of the page. e) The loop is increasing in size Cw none х x x x x x x X x x x x x...
In this problem, you will use Lenz's law to explore what happens when an electromagnet is activated a short distance from a wire loop. You will need to use the right-hand rule to find the direction of the induced current. When the switch is open, which of the following statements about the magnetic flux through the wire loop is true? Assume that the direction of the vector area of the wire loop is to the right. There is no magnetic...
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