A 16-cm-long, zero-resistance slide wire moves outward, on zero-resistance rails, at a steady speed of 11...

A 16-cm-long, zero-resistance slide wire moves outward, on zero-resistance rails, at a steady speed of 11 m/sm/s in a 0.14 T magnetic field. On the opposite side, a 1.0 Ω carbon resistor completes the circuit by connecting the two rails. The mass of the resistor is 56 mg

Part A

What is the induced current in the circuit?

Express your answer using two significant figures.

Part B

How much force is needed to pull the wire at this speed?

Express your answer using two significant figures.

Part C

If the wire is pulled for 10 s, what is the temperature increase of the carbon? The specific heat of carbon is 710J/(kg⋅C∘).

Express your answer using two significant figures.

Solutions

Expert Solution

genius_generous answered 8 months ago

Next > < Previous

Related Solutions

In (Figure 1), the rod moves with a speed of 1.6 m/s on rails 29.0 cm...

In (Figure 1), the rod moves with a speed of 1.6 m/s on rails 29.0 cm apart. The rod has a resistance of 2.1 Ω . The magnetic field is 0.31 T , and the resistance of the U-shaped conductor is 26.0 Ω at a given instant. Part A Calculate the induced emf Part B Calculate the current in the U -shaped conductor. Part C Calculate the external force needed to keep the rod's velocity constant at that instant.

A wire with a linear mass density of 1.08 g/cm moves at a constant speed on...

A wire with a linear mass density of 1.08 g/cm moves at a constant speed on a horizontal surface and the coefficient of kinetic friction between the wire and the surface is 0.250. If the wire carries a current of 1.31 A westward and moves horizontally to the south, determine the magnitude and direction of the smallest magnetic field that can accomplish this. magnitude ____ T direction ______

A wire 80 cm long carries 11 A of current. From this wire, a loop of...

A wire 80 cm long carries 11 A of current. From this wire, a loop of 90-turns is made and placed in a magnetic field of 6.50 Tat an angle of 35˚. In first experiment, a square loop is formed and in the second experiment, a circular loop is formed with same number of turns. Calculate the torque in each loop. Which loop produces more torque-the circular loop or the square loop? What is the reason for this change of...

A long, straight wire carrying a current of 3.00 A moves with a constant speed v...

A long, straight wire carrying a current of 3.00 A moves with a constant speed v to the right. A 5-turn circular coil of diameter 1.25 cm, and resistance of 3.25 µΩ, lies stationary in the same plane as the straight wire. At some initial time, the wire is at a distance d = 19.5 cm from the center of the coil. 4.55 s later, the wire is at a distance 2d from the center of the coil. What is...

1. A metal loop moves at constant velocity toward a long wire carrying a steady current...

1. A metal loop moves at constant velocity toward a long wire carrying a steady current I = 2.0 A. The current induced in the loop is: A. Directed clockwise. B. directed counterclockwise. C. Zero. D. Cannot tell, more information is needed. 2. Loop A in the figure shown is part of a simple circuit with switch open. Loop B is another one that lies below Loop A. to A When the switch is closed, there is an induced current generated...

A 400-W cylindrical resistance heater is 1 m long and 0.5-cm-diameter. The resistance wire is placed...

A 400-W cylindrical resistance heater is 1 m long and 0.5-cm-diameter. The resistance wire is placed horizontally in a fluid at 20◦C, flowing at a velocity of 20 m/s. Determine the outer surface temperature of the resistance wire in steady operation if the fluid is (a) air and (b) water. Ignore any heat transfer by radiation and evaluate properties of air at 800 K and properties of water at 315 K.

Two parallel rails with negligible resistance are 10.0 cm apart and are connected by a resistor...

Two parallel rails with negligible resistance are 10.0 cm apart and are connected by a resistor of resistance R3=5.00Ω . The circuit also contains two metal rods having resistances of R1= 10.0 Ω and R2 = 15.0 Ω sliding along the rails (Fig. P31.31). The rods are pulled away from the resistor at constant speeds of v1= 4.00 m/s and v2= 2.00 m/s, respectively. A uniform magnetic field of magnitude B =0.0100 T is applied perpendicular to the plane of the rails. Determine...

Two long straight parallel wires are 11 cm apart. Wire A carries 2.0-A current. Wire B's...

Two long straight parallel wires are 11 cm apart. Wire A carries 2.0-A current. Wire B's current is 5.0 A in the same direction. Determine the magnetic field magnitude due to wire A at the position of wire B. Determine the magnetic field due to wire B at the position of wire A Are these two magnetic fields equal and opposite? Determine the force per unit length on wire A due to wire B. Determine the force per unit length...

Two parallel rails with negligible resistance are 10.0 cm apart and are connected by a 5.00 Ω resistor.

Two parallel rails with negligible resistance are 10.0 cm apart and are connected by a 5.00 Ω resistor. The circuit also contains two metal rods having resistances of 10.0 Ω and 15.0 Ω sliding along the rails. The rods are pulled away from the resistor at constant speeds of 4.00 m/s and 2.00 m/s, respectively. A uniform magnetic field of magnitude 0.010 T is applied perpendicular to the plane of the rails. a) Determine the power dissipated in the 5.00-Ω resistor.b)...

A square wire loop of side length a = 2.0 cm and resistance R = 10.0Ω...

A square wire loop of side length a = 2.0 cm and resistance R = 10.0Ω is inside a 1.00m long solenoid with 1000 windings such that the plane of the loop is perpendicular to the solenoid’s magnetic field. The solenoid initially carries a current I = 6.0 A, which is turned down to zero evenly over a period of 12.0 s. If the solenoid’s initial magnetic field is out of the page in the figure, what is the magnitude...

Subjects