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An electron beam of 10Kev energy is bombarded insiade a solenoid of radius 10 cm and 120 turns of wire per meter. If the beam is not to touch the walls of the solenoid the maximum current through the wire should be

chabi s

8 Years agoGrade 12

1 Answer

Arun

6 Years ago

q = [(ΔϕΔt)1 / R]Δt

q = [μ0nNπr^2Δi/Δt]1/RΔt

q = [4×10^−7×2×10^4×100×π×(10^−2)^2×(40.05)] 1 /10π^2×0.05

q = [ 2512 x 10-7+4 -4 x 4 / 0.05] 1/10 x 3.14 x 3.14 x 0.05

q = [ 2.5 x 10^-4 x 4/ 0.05 ] x 1/ 98.59 x 0.05

q = 32 μC

Thus the total charge flowing through the coil during this time is q = 32 μC

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