Q. The slope of plate characteristic of a vacuum diode is $2 \times 10^{- 2}mA/V$. The plate resistance of diode will be
A) $50\ \Omega$
B) $50\ k\Omega$
C) $500\ \Omega$
D) $500\ k\Omega$
Explanation
(b) $r_{p} = \frac{1}{slope} = \frac{1}{2 \times 10^{- 2} \times 10^{- 3}} = 50k\Omega$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.