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What is the magnitude of the induced emf if the field is held constant at 0.10...
Suppose now that the magnetic field is held constant at 20 mT and the copper bar...
Suppose now that the magnetic field is held constant at 20 mT and the copper bar is pushed to the left at a speed of [v] m/s. 20 cm What is the direction of the induced current inside the bar? there is no current up down A (conducting) metal bar of length L=20 cm is placed on metal rails as shown. The rails are connected by a wire with resistance R=2.00 ohm. The resistances of the bar and the rails...
Part 3..PHY2...16 A conducting ring is in a uniform magnetic field B as shown. The ring...
Part 3..PHY2...16
A conducting ring is in a uniform magnetic field B as shown. The ring has a radius of r = 50 cm and an effective resistance of R = 0.10 Ohm. The magnitude of B deceases steadily from an initial value of B_0 = 0.042 T to zero in 0.20n seconds, and stays at zero afterwards Find the magnitude of the induced emf in the ring What is the current in the ring? And in what direction (briefly...
A conducting square loop is in a uniform magnetic field B as shown. The side length...
A conducting square loop is in a uniform magnetic field B as shown. The side length of the loop is L = 60 cm, and the loop has an effective resistance of R = 0.045 Ohm. The magnitude of B decreases steadily from an initial value B_0 = 0.050 T to zero in 0.20 seconds, and stays at zero afterwards. Find the magnitude of the induced emf in the loop. What is the current in the loop? And in what...
A charged particle is moving in a uniform, constant magnetic field. Which one of the following...
A charged particle is moving in a uniform, constant magnetic field. Which one of the following statements concerning the magnetic force exerted on the particle is false It does no work on the particle. It increases the speed of the particle. It changes the velocity of the particle. It can act only on a particle in motion. It does not change the kinetic energy of the particle. A circular current loop with radius of 0.100 m is located in the...
What is the magnitude of the emf induced in the rod? A metal rod with a...
What is the magnitude of the emf induced in the rod?
A metal rod with a length of 21.0 cm lies in the xy-plane and makes an angle of 36.7° with the positive z-axis and an angle of 53.3° with the positive y-axis. The rod is moving in the +x-direction with a speed of 6.80 m/s. The rod is in a uniform magnetic field B = (0.160T) { – (0.280T) i – (0.0400T )k.
(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)...
The loop in the figure is being pulled with a speed 80 m/s into a uniform magnetic field of magnitude B = 0.90 T
The loop in the figure is being pulled with a speed 80 m/s into a uniform magnetic field of magnitude B = 0.90 T that is directed into the page. The resistance of the loop is 0.10 Ω and its length is l = 4.00 cm. (Figure 1) What is the direction of the induced current in the loop? Part What is the induced current after the entire loop has entered the uniform magnetic field?
Quiz 1: Consider a circular loop with a 2.50-cm radius in a constant magnetic field of...
Quiz 1: Consider a circular loop with a 2.50-cm radius in a constant magnetic field of 0.625 T. 1) Find the magnetic flux through this loop when its normal makes an angle of (a) 60.0°, and (b) 90.0°, with the direction of the magnetic field B. 2) Find the angle at which the magnetic flux is 1 * 10-*Tm. Quiz 2: A bar magnet is moved rapidly toward a 40-turn circular coil of wire. As the magnet moves, the average...
A flexible circular loop 6.80 cmcm in diameter lies in amagnetic field with magnitude 1.35...
A flexible circular loop 6.80 cm in diameter lies in a
magnetic field with magnitude 1.35 T , directed into the plane of
the page in the figure (Figure 1). The loop is pulled at the points
indicated by the arrows, forming a loop of zero area in 0.200 s .A) Find the average induced emf in the circuit. Express your
answer in volts.B)What is the direction of the current in R?C)Explain your reasoning.Drag the terms on the left to...
Suppose now that the magnetic field is held constant at 20 mT and the copper bar is pushed to the left at a speed of [v] m/s. 20 cm What is the direction of the induced current inside the bar? there is no current up down A (conducting) metal bar of length L=20 cm is placed on metal rails as shown. The rails are connected by a wire with resistance R=2.00 ohm. The resistances of the bar and the rails...
Part 3..PHY2...16
A conducting ring is in a uniform magnetic field B as shown. The ring has a radius of r = 50 cm and an effective resistance of R = 0.10 Ohm. The magnitude of B deceases steadily from an initial value of B_0 = 0.042 T to zero in 0.20n seconds, and stays at zero afterwards Find the magnitude of the induced emf in the ring What is the current in the ring? And in what direction (briefly...
A conducting square loop is in a uniform magnetic field B as shown. The side length of the loop is L = 60 cm, and the loop has an effective resistance of R = 0.045 Ohm. The magnitude of B decreases steadily from an initial value B_0 = 0.050 T to zero in 0.20 seconds, and stays at zero afterwards. Find the magnitude of the induced emf in the loop. What is the current in the loop? And in what...
A charged particle is moving in a uniform, constant magnetic field. Which one of the following statements concerning the magnetic force exerted on the particle is false It does no work on the particle. It increases the speed of the particle. It changes the velocity of the particle. It can act only on a particle in motion. It does not change the kinetic energy of the particle. A circular current loop with radius of 0.100 m is located in the...
What is the magnitude of the emf induced in the rod?
A metal rod with a length of 21.0 cm lies in the xy-plane and makes an angle of 36.7° with the positive z-axis and an angle of 53.3° with the positive y-axis. The rod is moving in the +x-direction with a speed of 6.80 m/s. The rod is in a uniform magnetic field B = (0.160T) { – (0.280T) i – (0.0400T )k.
(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)...
Quiz 1: Consider a circular loop with a 2.50-cm radius in a constant magnetic field of 0.625 T. 1) Find the magnetic flux through this loop when its normal makes an angle of (a) 60.0°, and (b) 90.0°, with the direction of the magnetic field B. 2) Find the angle at which the magnetic flux is 1 * 10-*Tm. Quiz 2: A bar magnet is moved rapidly toward a 40-turn circular coil of wire. As the magnet moves, the average...
A flexible circular loop 6.80 cm in diameter lies in a
magnetic field with magnitude 1.35 T , directed into the plane of
the page in the figure (Figure 1). The loop is pulled at the points
indicated by the arrows, forming a loop of zero area in 0.200 s .A) Find the average induced emf in the circuit. Express your
answer in volts.B)What is the direction of the current in R?C)Explain your reasoning.Drag the terms on the left to...
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