1. Two horizontal wires are kept in parallel at a distance of 0.2 cm apart a vertical plane. Both wires have equal currents in the same direction. the lower wire has a mass of 0.05 kg/m. if the lower wire appears to be weightless, what is the current in each wire? 2. Calculate the emf induced in a 2m long straight conductor when it is moved at a velocity of a 4 m/s across a magnetic field of 1.2 mWb/m2 at an angle of 60.?

Q: A car generator turns at 480 rpm when the engine is idling. Its 240–turn, 4.40 by 8.00 cm…

A: Given the coil turns 480 rpm. The angular frequency of the coil ω=480…

Q: Which of the following statements in NOT TRUE about Lenz’s Law?     a. The induced current in a…

A:

Q: = 5. The magnetic flux through the loop increases according to the relation B 6.0t² + 7.0t as show…

A: Given:-  The magnetic flux is ϕB = 6.0t2+7.0t here t is in second and ϕB is in milliweber Find:-…

Q: An MRI technician moves her hand from a region of very low magnetic field strength (B=0) into an MRI…

A:

Q: 4. A squre coil of wire with 800 turns and size a 10.0 cm on each side, is held next to a long…

A: Given: The length of the side of the square is 10.0 cm. The number of turns is 800. The current as…

Q: 5. I| A 50 g horizontal metal bar, 12 cm long, is free to slide up and down between two tall,…

A:

Q: 2. A square coil of resistance 4 n, 50 turns and side length 5 cm is placed with its plane making an…

A:

Q: A magnetic field of 3.2 T is perpendicular to a square coil of 12 turns. The length of each side of…

A:

Q: By how much must the magnetic flux inside a coil of 100 turns change in a time of 1.0 ms to produce…

A:

Q: A circular piece of wire with radius 0.48 m has a 75.1 T magnetic field passing through. What is the…

A: Consider the radius of the wire is 0.48 and magnetic field is 751.T. The formula for the magnetic…

Q: An MRI solenoid produces a magnetic field of 1.5 T. The solenoid is 2.5 m long, 1.0 m in diameter,…

A: Magnetic field due to solenoid=μ0ni/2(cosβ2-cosβ1)

Q: 2. A 5-turn square loop (10 cm along a side, resistance = 4.0 Q) is placed in a magnetic %3D field…

A: Given:Resistance,R=4Ωturn,N=5side,a=0.1 mAngle,θ=30°Function,B=0.5t2Time,t=4 sFind induced…

Q: 7. A single strand of wire of adjustable length is wound around the circumference of a round balloon…

A: Given: The change in time is dt=0.030 s, The diameter of the round balloon is d1=18 cm =0.18 m,…

Q: 1) A 200-turns square loop of 34 cm on a side, carrying a current of 22 A creates a torque of 295 N…

A:

Q: 2. A 900-loop circular loop of wire with 0.1 sq. m area is in uniform magnetic field that makes and…

A:

Q: What is the peak emf generated by rotating a 1000-turn, 20.0 cm diameter coil in the Earth’s…

A:

Q: 11 Suppose that a parallel-plate capacitor has circular plates with radius R= 30 mm and a plate…

A: Write the expression for the electric flux at r <R. The area covered by the electric field is A =…

Q: 4. A total current I is distributed over the area between two cylinders with radii a and b as shown…

A:

Q: If the polarity of the magnet is reversed from north pole to south pole, and brought  near a coil,…

A: The direction of the induced current in the coil reverses as the polarity of the magnet is reversed…

Q: A wire is oriented into a loop that has a diameter of 1 cm. This loop is then pulled closed in 0.5…

A:

Q: Consider a flat rectangular coil with 150 turns. This coil is placed in a uniform magnetic field of…

A:

Q: 2 A flat coil with 900 loops is pulled between magnetic poles in 0.10 s. What is the average EMF…

A: Induced emf "e"= 1.17Volts .

Q: 11. A coil of area 0.2 m² is placed in a magnetic field so that the normal to its area is in the…

A:

Q: 4. What is the EMF induced when the magnetic field changes from 2.5 T to 0.9 T in 12 seconds with a…

A:

Q: 1. It is the measure of the ability of a material to maintain and establish a magnetic field. 2.…

A: Since you have posted a question with a multiple sub parts, we will solve first three sub - parts…

Q: A car generator turns at 480 rpm when the engine is idling. Its 240–turn, 4.40 by 8.00 cm…

A: Number of turns (n) = 240 Area of rectangular coil (A) = 0.044×0.08 m2= 0.00352 m2angular velocity…

Q: 5. A jet airplane with a 75.0 m wingspan is flying at 280 m/s. What emf is induced between wing tips…

A:

Q: A circular loop in the plane of a paper lies in a 0.65 T magnetic field pointing into the paper. The…

A:

Q: 1. A straight wire of length 20 cm sweeps across a 0.95 T magnetic field with speed of 1.50 m/s.…

A: When a conducting loop or a wire is placed in an external magnetic field, the conductor experiences…

Q: 4. A coil of wire is situated in a 0.5 T uniform magnetic field. The area of the coil is 2.0 m2. (a)…

A: We need to calculate the magnetic flux through the coil in part a. Then, if the flux changes to a…

Q: 1) A 225-turns circular loop of radius 20 cm, carries a current of 24 A creates a torque of 355 N m…

A: Given data: -  The number of turns of a circular loop is n = 225 turns. The radius of loop is r =…

Q: A 50 g horizontal metal bar, 12 cm long, is free to slide up and down between two tall, vertical…

A: The terminal speed will be attained when the net force on the rod is zero.   The force,…

Q: 1. A coil of wire is situated in a 0.5 T uniform magnetic field. The area of the coil is 2.0 m2.…

A:

Q: 7. A single strand of wire of adjustable length is wound around the circumference of a round balloon…

A: Induced emf is directly proportional to the time rate change of magnetic flux.  Emf= 0.3611volts.…

Q: Consider a flat rectangular coil with 150 turns. This coil is placed in a uniform magnetic field of…

A:

Q: 1.What is the magnitude of the magnetic flux (Φinitial) through the coil before it is rotated?…

A: Area of coil A = 10.3 cm² Number of turns N = 190 Time in rotating the coil ∆t = 3.70×10-2 s ∆t =…

Q: 2) A rod with negligible resistance is rotating with angular velocity of w = 5.0 rad/s over a…

A:

Q: I need help with attached problems. thank you!

A:

Q: If the magnetic flux through a coil of wire with 300 turns changes from + 5.0 Wb to - 10.0 Wb in a…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A simple AC generator consists of 10 turns of coils with an area of 1000 cm2. It rotates at a…

A: Number of turns (N) = 10Area (A) = 1000 cm2= 0.1 m2Frequency (f) = 60 Hz Magnetic field strength (B)…