Question

A hot filament liberates an electron
with zero initial velocity. The anode
potential is 1200 V. The speed of the
electron when it strikes the anode is
(A) 1.5 105 ms-1
(B)
2.5 x 106 ms-1
(C) 2.1 x 107 ms-1
(D) 2.5 x 108 ms-1
lo
Qo​

Answer 1

Answer:

filament liberates an electron with zero initial velocity. The anode potential is 1200 V. The speed of the electron when it strikes t.

Explanation:

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Answer 2

Explanation:

a filament libeartes an electron with zero intial velocity the anode potential is 1200v the sp ed of the electron when it's strikes the anode is 2.5×108ms -1