A coil with 100 turns is wound on a toroidal core as shown in Figure 5.15. The core has an inner radius of 2 cm, an outer radius of 5 cm, and a thickness of 1 cm. The core material has a uniform permeability of μ = 200 μ0 and saturates at a flux density of 1.2 T. A What is the inductance of the coil? B How much current is required to bring the core to the start of saturation (i. e. so that the material at the inner diameter of the core reaches a flux density of 1.2 T)? C How much current is required to fully saturate the core (i. e. to make all of the material in the core have a flux density of at least 1.2 T)?
Answers: 1
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What happens to the velocity of the car when the upward pull of the cable is greater than the downward pull of gravity as the car rises toward the top?
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The position of a crate sliding down a ramp is given by x=(0.05t^3) m, y=(1.7t^2) m, z=(6−0.85t^5/2) m, where t is in seconds. (a) determine the magnitude of the crate's velocity when t = 2 s. (b) determine the magnitude of the crate's acceleration when t = 2 s.
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Wave functions describe orbitals in a hydrogen atom. each function is characterized by 3 quantum numbers: n, l, and ml. if the value of n = 2: the quantum number l can have values from to . the total number of orbitals possible at the n = 2 energy level is .
Answers: 3
A coil with 100 turns is wound on a toroidal core as shown in Figure 5.15. The core has an inner rad...
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