MCQOPTIONS
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| 1. |
The ratio of work function and temperature of two emitters are \[1:2,\] then the ratio of current densities obtained by them will be |
| A. | \[4:1\] |
| B. | \[2:1\] |
| C. | \[1:2\] |
| D. | \[1:4\] |
| Answer» E. | |