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In a computer monitor, an electron beam with a current of 4x10^-6 A is directed at the screen. How many electrons are transferred to the monitor in 2 minutes.

  • Physics - ,

    I= Δq/Δt =N•e/ Δt.
    N = I•Δt/e = =4•10^-6•2•60/1.6•10^-19=

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