Related questions
Question
The length of the rod is 20.0 cm and the speed is 5 m / s. A voltage of 0.72V is induced between the ends of the rod. Determine the smallest possible magnetic flux density.
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by stepSolved in 2 steps with 3 images
Knowledge Booster
Similar questions
- A 1.0 m long metallic rod is rotated with an angular frequency of 400 rad s1 about an axis normal to the rod passing through its one end. The other end of the rod is in contact with a circular metallic ring. A constant and uniform magnetic field of .5 T parallel to the axis exists everywhere. Calculate the emf developed between the centre and the ring.arrow_forwardThe component of the external magnetic field along the central axis of a 50 turn coil of radius 40.0 cm decreases from 2.90 T to 0.550 T in 3.00 s. The resistance of the coil is 4.50 Ohms. What is the magnitude of the current induced in the coil?arrow_forwardProblem 10: A magnetic needle with magnetic moment μ-0.065 Am2 is placed in a uniform magnetic field B0.65 T as shown in the figure. The angle between the direction of the magnetic moment and the direction of the magnetic field is θ 250 Randomized Variables μ= 0.065 Arn B- 0.65T θ 250 Δ Part (a) Express the potential energy U in terms oft, B, θ. | cos(p) sin(p) | cos(α) sin(a) cos(0) sin(0) ( HOMI 4 5 6 BACKSPACE CLEAR Submit Hint I give up! Hints: 1% deduction per hint. Hints remaining: 1 Feedback: 1% deduction per feedback. Part (b) Calculate the numerical value of U in J. Part (c) If θ can be changed, which value has the minimum potential energy? Part (d) If θ can be changed, which value has the maximum potential energy in degrees? Δ Part (e) Ignore the mass of the needle, express the work needed to change the angle from θ to α in terms oftı, B, θ, α Part (f) If α-1500, calculate the numerical value of the work in J.arrow_forward
- The slide generator in the figure below is in a uniform magnetic field of magnitude 0.0500 T. The bar of length 0.345 m is pulled at a constant speed of 0.500 m/s. The U-shaped conductor and the bar have a resistivity of 2.75 x 10-8 · m and a cross-sectional area of 8.50 x 10-4 m². Find the current in the generator when x = 0.680 m. (Note that the A in the image below is the area of the loop, not the cross-sectional area of the conductor and bar.) 313600 X Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. A Bulb is unlit. A. B. Bulb is lit. loo F mecharrow_forwardA 7.00 diameter loop with a resistance of 0.700 Ω is in an increasing magnetic field of 1.20 T/s as shown in the image. What is the magnitude and direction of the induced current? 6.41 A, clockwise 0.00660 A, counterclockwise 6.41 A, counterclockwise 0.00660 A, clockwisearrow_forwardA 18.4-cm-diameter coil consists of 20 turns of circular copper wire 9.96 mm in diameter. A uniform magnetic field, perpendicular to the plane of the coil, changes at a rate of 3.506E-3 T/s. Determine the current in the loop, in A.arrow_forward
- The slide generator in the figure below is in a uniform magnetic field of magnitude 0.0500 T. The bar of length 0.390 m is pulled at a constant speed of 0.500 m/s. The U-shaped conductor and the bar have a resistivity of 2.75 x 10-80 m and a cross-sectional area of 9.50 x 10-4 m². Find the current in the generator when x = 0.680 m. (Note that the A in the image below is the area of the loop, not the cross-sectional area of the conductor and bar.) A Bulb is unlit. A. B. Bulb is lit. O O O O( O O a G O O O O ܥܘ O O O O OG O O O O O O B BO Ā OOO O B₁ I loop O 0 0 O X F O • O O O O mech O O Activate Windows Go to Settings to activate Windows.arrow_forwardA long solenoid that has 820 turns uniformly distributed over a length of 0.390 m produces a magnetic field of magnitude 1.00 x 10-4 T at its center. What current is required in the windings for that to occur? mAarrow_forwardThe diagram below is of a triangular prism that has three rectangular sides and two triangular sides. This prism is placed in a region of uniform magnetic field of magnitude 0.120 T directed in the positive x direction. Here ab = 30.0 cm, ac = 40.0 cm, bc 50.0 cm, and ad 66.0 cm. = = = = Determine the magnetic flux, including the sign, through each of the five faces of the box. abc cbef Pabed Pacfd def = Additional Materials = Reading B a Wb Wb Wb Wb Wb yarrow_forward
arrow_back_ios
arrow_forward_ios