1- At a certain place natural ionization occurs at the rate of 2 ions/cm?.Sec. then thesaturation current density between two non-emitting electrodes placed 1 cm a partis. .a- 3.3x1015 amp./m2b- 3.2x1015 amp. /cmC- 3.2 x1015 amp./m²d- 3.3x1015 amp./m³2- In Townsend discharge and in the steady state of plasma, electrons must reach theanode in the ..........a- Same number of positive ions reach the cathodeb- Same number of negative ions reach anodeSame number of negative ions reach cathoded- Different number of electrons reach the anode3- An inelastic collision involve interchange of the . .a- Translational K.E. onlyb Internal energy of excitation onlyInternal energy of ionization onlyd All those above4- The incident of positive ions can also removal particles of electrode material bya- Collisionb- SputteringC- Diffusiond- Attachment

In this question we have to choose correct option and also known the reason. This is mulitipart…

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2- In Townsend discharge and in the steady state of plasma, electrons must reach the anode in the . .

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

1- At a certain place natural ionization occurs at the rate of 2 ions/cm?.Sec. then the
saturation current density between two non-emitting electrodes placed 1 cm a part
is. .
a- 3.3x1015 amp./m2
b- 3.2x1015 amp. /cm
C- 3.2 x1015 amp./m²
d- 3.3x1015 amp./m³
2- In Townsend discharge and in the steady state of plasma, electrons must reach the
anode in the .
.........
a- Same number of positive ions reach the cathode
b- Same number of negative ions reach anode
Same number of negative ions reach cathode
d- Different number of electrons reach the anode
3- An inelastic collision involve interchange of the . .
a- Translational K.E. only
b Internal energy of excitation only
Internal energy of ionization only
d All those above
4- The incident of positive ions can also removal particles of electrode material by
a- Collision
b- Sputtering
C- Diffusion
d- Attachment

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