2. Three long, parallel wires carry currents I₁, I2, and 13. Determine the magnitude and direction of the net B-field at point P. Let I₁ = 5.3 A, I2 = 2.4 A, I3 = 4.8 A, and d = 11 cm. I₁ x ·2d-

i. Two long, parallel wires are separated by 1.49 cm and carry currents of 2.17 A and 3.93 A. Find the magnitude of the attractive force F that acts on a 3.85 m length of either wire. ii. Do the currents run in the same or opposite directions? How do you know?

34. Two long parallel straight wires P and Q are separated by a distance of 2.5 cm in vacuum. Wire P is fixed and carries a current of 5.0 A while wire Q is free to move and carries a current of 8.0 A as shown in the diagram. 2.5 cm Wire P Wire Q What is the magnitude and direction of the force per unit length on wire Q that would prevent wire Q from moving. A. 3.2 X 104 Nm1 towards wire P away from wire P C. 1.0 X 10-5 Nm1 towards wire P B. 3.2 X 104 Nm1 D. 1.0 X 105 Nm1 away from wire P

The figure shows two parallel current-carrying conductors with currents 4 = 8.0 A and k = 5.0 A. For the closed path C, the magnitude (in uT.m) of the line integral dï is 1,0 O, noliill O a. 7.5 كلية العلوo O b. 6.3 O c. 5.0 O d. 3.8 O e. 4.5

Two parallel wires, separated by a perpendicular distance of 5.0 cm, carry currents of 5.0 A and 2.0 A in the same direction. What force does the 5.0-A wire exert on a 50 cm-length of the 2.0-A wire?   a. 60 μN, repulsive   b. 20 μN, attractive   c. 100 μN, attractive   d. 80 μN, attractive   e. 40 μN, attractive

B = 5.00 [T] ✩ and uniform electric field E An electron with velocity = 2.00 [] is immersed in a uniform magnetic field -5.00 []. What is the net force acting on the particle? = OA. -8.01 × 10-1⁹ [N] Ĵ OB. +1.60 × 10-18 [N] Ĵ O C. -1.60 x 10-18 [N] OD. +2.40 × 10-18 [N] Ĵ

Copper-Nickel 1,500 ngular Snip 1,400 LIQUID 1,300 UQU:D. a 1,200 L.100 1,000 900 400 300 PARAMAGNETIC 200 100 'FERROMAGNETIC O 10 20 30 0 s0 40 70 80 0 100 WEIGHT PERCENTAGE NICKEL. 1. For points F, G, H, I and J, determine the following: a) Temperature and phase of the material (liquid, solid or 2 phase solid and liquid) b) % solid and liquid 2. At point C (100% Ni), the Curie temperature is 350°C. At point D (68.5% Ni), the Curie temperature is 0°C. Derive the equation of Curie temperature as a function of % Ni. 3. Calculate the Curie temperature and the density of the Cu-Ni alloy at 80% and 90% Ni. Use the density table from the previous lecture. TEMPERATURE, *C.

Two infinitely long parallel wires are at a distance of 5.0 cm apart. If the wires carry a current of 5.1A, what is the exchanged force per meter between the wires ( in units of uN )? Select one: O A. 104.0 O B. 135.3 O C. 83.2 O D. 59.8 O E. 122.2 Next p

a.Find H in rectangular components at P(3,4,2) If there is a current filament on the z axis carrying 5 mA in the az direction. b. Repeat if the filament is located at x = -1, y = 2. (c) c. Find H if both filaments are present.

A conducting metal rod of length 5[cm] moves with speed 3[m/s] while immersed in a uniform magnetic field with strength 0.7[T]. What is the potential difference between the ends of the rod? B O A. 0[V] (the conducting rod is an equipotential body) B. 0.105[V] C. -10.5[V] D. +10.5[V]