Two coplanar and concentric circular loops of wire carry currents of I, = 5.90 A and I, = 2.30 A in opposite directions as in the figure below. Let r, = 12.0 cm and r, = 8.60 cm. (Assume the positive direction along the axis perpendicular to the faces of the loops is out ofthe screen (towards you) and assume the positive vertical direction is toward the top of the screen.)(a) What is the magnitude of the net magnetic field (in µT) at the center of the two loops?PT(b) What is the direction of the net magnetic field at the center of the two loops?out of the screenO into the screenO toward the top of the screenO toward the bottom of the screen(c) Let r, remain fixed at 12.0 cm and let r, be a variable. Determine the value ofr, (in cm) such that the net field at the center of the loops is zero.cm

Using the formula of magnetic field at the center of the loop

Answered: Two coplanar and concentric circular…

Similar questions

A strip of copper 220 um thick and 4.70 mm wide is placed in a uniform magnetic field of magnitude B = 0.96 T, that is perpendicular to the strip. A currenti- 25 Ais then sent through the strip such that a Hall potential difference Vappears across the width. Calculate V. (The number of charge carriers per unit volume for copper is 8.47 x 102 electrons/m) Number Units
For a solenoid in vacuum of length l = 10 cm with 104 turns per meter calculate the current required to create the field B= 70 μT. Provide your answer in SI units.
The two wires shown in the figure below are separated by d = 10.4 cm and carry currents of I = 5.40 A in opposite directions. Two vertical, parallel wires are separated by a distance d. To the left of the left wire is an arrow labeled I pointing up. To the right of the right wire is an arrow labeled I pointing down. A point P2 is a distance 2d to the left of the left wire, and a point P1 is a distance d to the right of the right wire. (a) Find the magnitude and direction of the net magnetic field at a point midway between the wires. magnitude ?T direction (b) Find the magnitude and direction of the net magnetic field at point P1, 10.4 cm to the right of the wire on the right. magnitude ?T direction (c) Find the magnitude and direction of the net magnetic field at point P2, 2d = 20.8 cm to the left of the wire on the left. magnitude ?T direction
answer every part pls
Three infinitely long wires running perpendicular to the page carry currents I=250 mA (into the page), I2=100 mA (out of the page), and I =200 mA (out of the page). Suppose that d=0.150 m. What is the net force per unit length on the I wire? (Give the net force in terms of its x and y components, in units of Newtons per meter. Note lo = 4n x 10-7 Tm/A) I3 d a) x component? d
A square loop (each side is 10 cm) of wire with Resistance 100Ω is moved at a constant speed of 30cm/s across a uniform magnetic field 2 T, confined in a square region (Each side of the square is 20cm). (a) Graph the force needed to move the loop at a constant speed from -20 cm to 20cm (as shown in the figure). What will be the maximum force required? Assume that the force pointing to the right as positive (b) Graph the current induced in the loop as a function of distance from -20cm to 20cm. Assume clockwise current to be positive. What will be the maximum value of current? Hint: The figure is drawn not to scale