The ratio of thermionic currents `(I//I_(0))` for a metal when the temperature is slowly increased `
Channel: Doubtnut
Date: 2020-08-23

The ratio of thermionic currents `(I//I_(0))` for a metal when the temperature is slowly increased `T_(0)` to T as shown in figure. (I and `I_(0)` are currents at T and respectively). Then which one is correct?   img src="https://d10lpgp6xz60nq.cloudfront.net/physics_images/ERRL_PHY_NEET_V02_C27_E01_414_Q01.png" width="80%"