InterviewSolution
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InterviewSolution
| 1. |
Given (A): The material of the cathode in a thermionic emitter should have a small work function. (R): This is to facilitate electron emission only when large heat is supplied (1) Both A and R are true and R is the correct explanation of A (2) Both A and R are true but R is not the correct explanation of A (3) A is true but R is false (4) A is false but R is true |
| Answer» <p style="text-align: justify;"><span style="font-family:Arial,Helvetica,sans-serif"><span style="color:#000000"><strong><span style="font-size:11pt; line-height:115%">The Correct option is (3) A is true but R is false </span></strong></span></span></p> | |