For a tunnel diode, when ‘p’ is probability that carrier crosses the barrier, ’e’ is energy,’w’ is width.

• A. p ∝ e(-A*e*w)
• B. p ∝ 1/ e(-A*e*w)
• C. p ∝ e(A*e*w)
• D. p ∝ 1/e(A*e*w)