A circular loop of wire is in a region of spatially uniform magnetic field. The magnetic field is directed into the plane of the figure. If the magnetic field magnitude is constant, Q the induced emf is clockwise 2. the induced emf is counterclockwise 3. the induced emf is zero 4. answer depends on how strong the field is
A circular loop of wire is in a region of spatially uniform magnetic field. The magnetic field is directed into the plane of the figure. If the magnetic field magnitude is constant, A the induced emf is clockwise 2. the induced emf is counterclockwise 3. the induced emf is zero 4. answer depends on how strong the field is
A circular loop of wire is in a region of spatially uniform magnetic field. The magnetic field is directed into the plane of the figure. If the magnetic field magnitude is decreasing, Q the induced emf is clockwise 2. the induced emf is counterclockwise 3. the induced emf is zero 4. answer depends on the rate of change of the field
A circular loop of wire is in a region of spatially uniform magnetic field. The magnetic field is directed into the plane of the figure. If the magnetic field magnitude is decreasing, A the induced emf is clockwise 2. the induced emf is counterclockwise 3. the induced emf is zero 4. answer depends on the rate of change of the field
Q current flows downward through R and is proportional to B 2. current flows upward through R and is proportional to B 3. current flows downward through R and is proportional to B 2 4. current flows upward through R and is proportional to B 2 5. none of the above What statement about the induced current in the resistor R is correct? A flexible loop of wire lies in a uniform magnetic field of magnitude B directed into the plane of the picture. The loop is pulled as shown by the arrows, forming a loop of zero area and inducing a current.
A current flows downward through R and is proportional to B 2. current flows upward through R and is proportional to B 3. current flows downward through R and is proportional to B 2 4. current flows upward through R and is proportional to B 2 5. none of the above What statement about the induced current in the resistor R is correct? A flexible loop of wire lies in a uniform magnetic field of magnitude B directed into the plane of the picture. The loop is pulled as shown by the arrows, forming a loop of zero area and inducing a current.
The rectangular loop of wire is being moved to the right at constant velocity. A constant current I flows in the long wire in the direction shown. Which of the following statements about the current induced in the loop is correct? Q the induced current is clockwise and proportional to I 2. the induced current is counterclockwise and proportional to I 3. the induced current is clockwise and proportional to I 2 4. the induced current is counterclockwise and proportional to I 2 5. there is no induced current
The rectangular loop of wire is being moved to the right at constant velocity. A constant current I flows in the long wire in the direction shown. Which of the following statements about the current induced in the loop is correct? A the induced current is clockwise and proportional to I 2. the induced current is counterclockwise and proportional to I 3. the induced current is clockwise and proportional to I 2 4. the induced current is counterclockwise and proportional to I 2 5. there is no induced current
The rectangular loop of wire is being moved to the right at constant velocity. A constant current I flows in the long wire in the direction shown. Which of the following statements about the current induced in the loop is correct? Q the induced current is clockwise and proportional to I 2. the induced current is counterclockwise and proportional to I 3. the induced current is clockwise and proportional to I 2 4. the induced current is counterclockwise and proportional to I 2 5. there is no induced current
The rectangular loop of wire is being moved to the right at constant velocity. A constant current I flows in the long wire in the direction shown. Which of the following statements about the current induced in the loop is correct? A the induced current is clockwise and proportional to I 2. the induced current is counterclockwise and proportional to I 3. the induced current is clockwise and proportional to I 2 4. the induced current is counterclockwise and proportional to I 2 5. there is no induced current
The rectangular loop of wire is being moved to the right at constant velocity. A constant current I flows in the long wire in the direction shown. Which are the directions of the magnetic forces on the left-hand (L) and right-hand (R) sides of the loop? Q L side: force to the left; R side: force to the left 2. L side: force to the left; R side: force to the right 3. L side: force to the right; R side: force to the left 4. L side: force to the right; R side: force to the right 5. none of the above
The rectangular loop of wire is being moved to the right at constant velocity. A constant current I flows in the long wire in the direction shown. Which are the directions of the magnetic forces on the left-hand (L) and right-hand (R) sides of the loop? A L side: force to the left; R side: force to the left 2. L side: force to the left; R side: force to the right 3. L side: force to the right; R side: force to the left 4. L side: force to the right; R side: force to the right 5. none of the above
The drawing shows the uniform magnetic field inside a long, straight solenoid. The field is directed into the plane of the drawing, and is increasing. What is the direction of the electric force on a positive point charge placed at point a, point b, or point c (the center of the solenoid)? Q a: to the left; b: straight up; c: down and to the left 2. a: to the right; b: straight down; c: up and to the right 3. a: to the left; b: straight up; c: no force 4. a: to the right; b: straight down; c: no force 5. none of the above
The drawing shows the uniform magnetic field inside a long, straight solenoid. The field is directed into the plane of the drawing, and is increasing. What is the direction of the electric force on a positive point charge placed at point a, point b, or point c (the center of the solenoid)? A a: to the left; b: straight up; c: down and to the left 2. a: to the right; b: straight down; c: up and to the right 3. a: to the left; b: straight up; c: no force 4. a: to the right; b: straight down; c: no force 5. none of the above