In another application of the U shape loop problem above, Consider A rod of length 40...
In another application of the U shape loop problem above, Consider A rod of length 40 cm moving with a velocity of 30 m/s to the left in a magnetic field of 0.2 T into the page. The loop has a small resistance of 2 ohms. Find a) the emf in the loop, b) the magnitude and direction of induced current, c) the magnetic force acting on the rod and its direction, d) the appied force needed to maintain constant velocity. And what happens if force is not appied, e) the power delivered by the force.
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In another application of the U shape loop problem above,
Consider A rod of length 40...
3. Electromagnetic Inductance. Consider a single loop under magnetic field. (a) If the area A =...
3. Electromagnetic Inductance. Consider a single loop under magnetic field. (a) If the area A = 0.012[m) is constant, but the magnetic field is increasing at the rate of 0.020 T/s), determine the induced emf. (Use Faraday's law; the induced emf in a loop equals the absolute value of the time rate of change of the magnetic flux through the loop.) (b) If the total resistance of the circuit is 5.0(82), find the induced current. (c) Suppose we change the...
PRACTICE IT Use the worked example above to help you solve this problem. (a) The sliding...
PRACTICE IT Use the worked example above to help you solve this problem. (a) The sliding bar in the figure has a length of 0.488 m and moves at 2.37 m/s in a magnetic field of magnitude 0.213 T. Using the concept of motional emf, find the induced voltage in the moving rod. (b) If the resistance in the circuit is 0.575, find the current in the circuit and the power delivered to the resistor. (Note: The current, in this...
The conducting rod shown in the figure has length L and is being pulled along horizontal, frictio...
The conducting rod shown in the figure has length L and is being pulled along horizontal, frictionless, conducting rails at a constant velocity. The rails are connected at one end with a metal strip. A uniform magnetic field, directed out of the page, fills the region in which the rod moves. Assume that L 8.3 cm, the speed of the rod is v = 4.4 m/s, and the magnitude of the magnetic field is B = 1.0 T. (a) what...
Chapter 30, Problem 035 The conducting rod shown in the figure has length L and is...
Chapter 30, Problem 035 The conducting rod shown in the figure has length L and is being pulled along horizontal, frictionless, conducting rails at a constant velocity. The rails are connected at one end with a metal strip. A uniform magnetic field, directed out of the page, fills the region in which the rod moves. Assume that L-14 cm, the speed of the rod is v-6.9 m/s, and the magnitude of the magnetic field is B- 1.3 T a What...
A rectangular wire loop located in the plane of the page has a width L, and its length. X
A rectangular wire loop located in the plane of the page has a width L, and its length. X. is determined by the position a movable rail that forms the fourth side of the rectangle, as shown. The total electrical resistance of the wire loop is R, and an externally applied magnetic field, B, is directed out of the page. The rail is moving towards the right with speed v. Assume that the x direction is towards the right of...
A conducting rod is pulled horizontally with constant force F= 3.90 N along a set of...
A conducting rod is pulled horizontally with constant force F= 3.90 N along a set of rails separated by d= 0.220 m. A uniform magnetic field B= 0.800 T is directed, into the page. There is no friction between the rod and the rails, and the rod moves with constant velocity v= 3.80 m/s Using Faraday's Law, calculate the induced emf around the loop in the figure that is caused by the changing flux. Assign clockwise to be the positive...
Question 7 The conducting rod shown in the figure has length L and is being pulled along horlizontal, frictionless, conducting rails at a constant metal strip. A uniform magnetic field, directed...
Question 7 The conducting rod shown in the figure has length L and is being pulled along horlizontal, frictionless, conducting rails at a constant metal strip. A uniform magnetic field, directed of the magnetic fieid is 8-1.0 T. (a) What is the magnitude Assume that L15 cm, the speed of the rod is v -5.9 m/s, and the magnitude of emf induced in voits in the rod? (b) What is the current in amperes in the conducting loop? Assume that...
PROBLEM 2 - 10 points A square loop travels at a constant velocity of 10 cm/s...
PROBLEM 2 - 10 points A square loop travels at a constant velocity of 10 cm/s to the right through a region of magnetic field. The magnetic field is confined to the outlined rectangular region outlined. The magnetic field is directed into the page in the left half of this region, and out of the page in the right half. The small squares on the diagram measure 10 cm x 10 cm, and the loop is shown at time t=0....
(3) A uniform field varies according to B() 4.0+20+0.5 2 (B is in tesla and t...
(3) A uniform field varies according to B() 4.0+20+0.5 2 (B is in tesla and t in seconds). A wire loop with sides of length 4 cm is present as shown. I (a) What is the direction of the induced current in the loop? (b) What is the induced EMF in the loop at t - 0 s? What is the current? (c) What is the EMF and current at t-10 s? Two rods (shown in black in the figure)...
A square loop of wire with side length 10 cm is moving to the right with...
A square loop of wire with side length 10 cm is moving to the right with constant speed of 16 m/s. The loop has total resistance of .8 ohms. It begins in a region with no magnetic field, then enters a region of magnetic field (wider than 10 cm) with a strength of .5 T pointing out of the page. a) while entering the field what is the direction of the induced current as seen from above the plane of...
3. Electromagnetic Inductance. Consider a single loop under magnetic field. (a) If the area A = 0.012[m) is constant, but the magnetic field is increasing at the rate of 0.020 T/s), determine the induced emf. (Use Faraday's law; the induced emf in a loop equals the absolute value of the time rate of change of the magnetic flux through the loop.) (b) If the total resistance of the circuit is 5.0(82), find the induced current. (c) Suppose we change the...
PRACTICE IT Use the worked example above to help you solve this problem. (a) The sliding bar in the figure has a length of 0.488 m and moves at 2.37 m/s in a magnetic field of magnitude 0.213 T. Using the concept of motional emf, find the induced voltage in the moving rod. (b) If the resistance in the circuit is 0.575, find the current in the circuit and the power delivered to the resistor. (Note: The current, in this...
The conducting rod shown in the figure has length L and is being pulled along horizontal, frictionless, conducting rails at a constant velocity. The rails are connected at one end with a metal strip. A uniform magnetic field, directed out of the page, fills the region in which the rod moves. Assume that L 8.3 cm, the speed of the rod is v = 4.4 m/s, and the magnitude of the magnetic field is B = 1.0 T. (a) what...
Chapter 30, Problem 035 The conducting rod shown in the figure has length L and is being pulled along horizontal, frictionless, conducting rails at a constant velocity. The rails are connected at one end with a metal strip. A uniform magnetic field, directed out of the page, fills the region in which the rod moves. Assume that L-14 cm, the speed of the rod is v-6.9 m/s, and the magnitude of the magnetic field is B- 1.3 T a What...
A conducting rod is pulled horizontally with constant force F= 3.90 N along a set of rails separated by d= 0.220 m. A uniform magnetic field B= 0.800 T is directed, into the page. There is no friction between the rod and the rails, and the rod moves with constant velocity v= 3.80 m/s Using Faraday's Law, calculate the induced emf around the loop in the figure that is caused by the changing flux. Assign clockwise to be the positive...
Question 7 The conducting rod shown in the figure has length L and is being pulled along horlizontal, frictionless, conducting rails at a constant metal strip. A uniform magnetic field, directed of the magnetic fieid is 8-1.0 T. (a) What is the magnitude Assume that L15 cm, the speed of the rod is v -5.9 m/s, and the magnitude of emf induced in voits in the rod? (b) What is the current in amperes in the conducting loop? Assume that...
PROBLEM 2 - 10 points A square loop travels at a constant velocity of 10 cm/s to the right through a region of magnetic field. The magnetic field is confined to the outlined rectangular region outlined. The magnetic field is directed into the page in the left half of this region, and out of the page in the right half. The small squares on the diagram measure 10 cm x 10 cm, and the loop is shown at time t=0....
(3) A uniform field varies according to B() 4.0+20+0.5 2 (B is in tesla and t in seconds). A wire loop with sides of length 4 cm is present as shown. I (a) What is the direction of the induced current in the loop? (b) What is the induced EMF in the loop at t - 0 s? What is the current? (c) What is the EMF and current at t-10 s? Two rods (shown in black in the figure)...
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