Tuesday, June 21, 2016

Tenaga Kinetik & Halaju Elektron Dalam Tiub Sinar Katod

Apabila suatu voltan, V, dikenakan merentasi katod dan anod suatu senapang elektron, tenaga elektrik yang dibekalkan kepada setiap elektron ialah eV, dimana cas elektron, e1.6 x 10-19 C.

Tenaga kinetik dan halaju elektron.

Anggapkan bahawa elektron-elektron dipecutkan dari halaju sifar pada katod hingga halaju akhir, v, pada anod.



Contoh

Dalam sebuah tiub televisyen, elektron yang dipancarkan dari suatu senapang elektron dipecutkan oleh voltan 10 kV sebelum menghentam skrin. Hitungkan,

a) Tenaga elektrik yang dibekalkan kepada setiap elektron.

b) Halaju akhir setiap elektron itu.

[Cas elektron, e1.6 x 10-19 C ; jisim elektron, m9.1 x 10-31 kg]

Penyelesaian:


3 comments:

  1. Thank you for sharing your info. I really appreciate your efforts and I will be waiting for your next write ups thanks once again. outlook login

    ReplyDelete
  2. If that you do not go with a fixed loan, you are able to also select from 5 year adjustable rate mortgages that present you with a low rate like 2 percent interest for five years before a greater rate is locked in. canadian mortgage calculator Choose a web site to obtain translated content where available and discover local events and offers. canadian mortgage calculator

    ReplyDelete
  3. Casinos near me, Maryland, Maryland, Washington - JTH
    What's Near Me. 남양주 출장안마 The casinos will 서산 출장샵 not only 동해 출장샵 feature slot machines, table 대구광역 출장마사지 games, slots 동두천 출장안마 and video poker machines, but also restaurants, bars,

    ReplyDelete