The bar in the figure below is pushed to the left. What is the
direction (clockwise/counterclockwise) of the induced current? The
bar is 12 cm long, pushed at a constant speed of 20 cm/s, in a
magnetic field of 80 T. What is the resistance of the resistor
necessary to dissipate 13 mW of power? 
Homework Answers
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The bar in the figure below is pushed to the left. What is the
direction (clockwise/counterclockwise)...
The figure below shows a 50 cm long bar attached to ideal frictionless parallel wires. The...
The figure below shows a 50 cm long bar attached to ideal frictionless parallel wires. The bar is free to slide along the wires but its orientation is forced by the attachments. The bar is pulled by an external force at a constant velocity along the wires in the presence of a B - 3.10 T magnetic field which points into the screen. The parallel wires are connected to a R-28.01 resistor and the bar makes an angle of @=...
The figure below shows a 50 cm long bar attached to ideal frictionless parallel wires. The...
The figure below shows a 50 cm long bar attached to ideal frictionless parallel wires. The bar is free to slide along the wires but its orientation is fixed by the attachments. The bar is pulled by an external force at a constant velocity along the wires in the presence of a B = 1.70 T magnetic field which points into the screen. The parallel wires are connected to a R = 22.0 12 resistor and the bar makes an...
The figure below shows a 50 cm long bar attached to ideal frictionless parallel wires. The...
The figure below shows a 50 cm long bar attached to ideal frictionless parallel wires. The bar is free to slide along the wires but its orientation is fixed by the attachments. The bar is pulled by an external force at a constant velocity along the wires in the presence of a B = 2.60 T magnetic field which points into the screen. The parallel wires are connected to a R = 24.0 12 resistor and the bar makes an...
The figure below pertains to questions 10.) and 11.). Itillustrates a 15cm long conducting bar...
The figure below pertains to questions 10.) and 11.). It
illustrates a 15cm long conducting bar resting on zero-resistance
wires. You begin exerting a force on the bar and thereby make it
move at constant speed. While the bar is moving, a counterclockwise
induced current is present in the conducting loop created by the
bar and wires.10.) Which of the following statements is false?a.) You are moving the conducting bar to the right.b.) The induced magnetic field through the center of...
Part B - Determine the direction of the induced current. counterclockwise It is impossible to know...
Part B - Determine the direction of the induced current. counterclockwise It is impossible to know O clockwise Submit Request Answer Part C - Find the velocity of the bar. Templates Symbols undo redo Resetl keyboard shortcuts help V= Value Units Submit Request Answer Part D - What is the resistivity of the material the bar is made of? Templates symbols undo reqo fetet keyboard shortcuts help P= Value Units Submit Request Answer The figure below shows a 50 cm...
23. As shown in the figure below, a conducting bar of length - 20 em is pulled to the left on frictionlessrails at...
23. As shown in the figure below, a conducting bar of length - 20 em is pulled to the left on frictionlessrails at a constant speed of y 20 m/s. A uniform magnetic field directed out of the page has a magnitude of B-O1T If the rails are connected to a resistor of resistance R-4.0 Ω andan ideal battery of emf e-1.6V, find the magnitude and direction of the current flowing in the circuit formed. Assume that the bar and...
A 0.344 m long metal bar is pulled to the left by an applied force F
A 0.344 m long metal bar is pulled to the left by an applied force F. The bar rides on parallel metal rails connected through a 44.1 2 resistor, as shown in the following figure(Figure 1), so the apparatus makes a complete circuit. You can ignore the resistance of the bar and rails. The circuit is in a uniform 0.602 T magnetic field that is directed out of the plane of the figure. Part A At the instant when the bar is...
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...
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...
1. When a metal bar is pushed to the right in a metallic rectangular rail a...
1. When a metal bar is pushed to the right in a metallic rectangular rail a current flows as shown in the figure. The rail is on a magnetic field that is not shown. The magnetic field must point? Up along the metal bar.Down along the metal bar.Out of the screen.Into the screen. 2. The diagram show the direction of magnetic field generated inside a solenoid due to the flow of current. What is the direction of the current in...
The figure below shows a 50 cm long bar attached to ideal frictionless parallel wires. The bar is free to slide along the wires but its orientation is forced by the attachments. The bar is pulled by an external force at a constant velocity along the wires in the presence of a B - 3.10 T magnetic field which points into the screen. The parallel wires are connected to a R-28.01 resistor and the bar makes an angle of @=...
The figure below shows a 50 cm long bar attached to ideal frictionless parallel wires. The bar is free to slide along the wires but its orientation is fixed by the attachments. The bar is pulled by an external force at a constant velocity along the wires in the presence of a B = 1.70 T magnetic field which points into the screen. The parallel wires are connected to a R = 22.0 12 resistor and the bar makes an...
The figure below shows a 50 cm long bar attached to ideal frictionless parallel wires. The bar is free to slide along the wires but its orientation is fixed by the attachments. The bar is pulled by an external force at a constant velocity along the wires in the presence of a B = 2.60 T magnetic field which points into the screen. The parallel wires are connected to a R = 24.0 12 resistor and the bar makes an...
The figure below pertains to questions 10.) and 11.). It
illustrates a 15cm long conducting bar resting on zero-resistance
wires. You begin exerting a force on the bar and thereby make it
move at constant speed. While the bar is moving, a counterclockwise
induced current is present in the conducting loop created by the
bar and wires.10.) Which of the following statements is false?a.) You are moving the conducting bar to the right.b.) The induced magnetic field through the center of...
Part B - Determine the direction of the induced current. counterclockwise It is impossible to know O clockwise Submit Request Answer Part C - Find the velocity of the bar. Templates Symbols undo redo Resetl keyboard shortcuts help V= Value Units Submit Request Answer Part D - What is the resistivity of the material the bar is made of? Templates symbols undo reqo fetet keyboard shortcuts help P= Value Units Submit Request Answer The figure below shows a 50 cm...
23. As shown in the figure below, a conducting bar of length - 20 em is pulled to the left on frictionlessrails at a constant speed of y 20 m/s. A uniform magnetic field directed out of the page has a magnitude of B-O1T If the rails are connected to a resistor of resistance R-4.0 Ω andan ideal battery of emf e-1.6V, find the magnitude and direction of the current flowing in the circuit formed. Assume that the bar and...
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...
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