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Byju's Answer
Standard VIII
Physics
Transfer of Charges
Why is low pr...
Question
Why is low pressure maintained in the cathode ray discharge tube?
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Solution
Air behave as insulator So in vaccum charge flow rapidly
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Q.
State True or False.
High pressure and low voltage should be maintained in the discharge tube for the production of cathode rays.
Q.
Gases are generally maintained at very low pressures in a cathode ray tube:
Q.
Which of the air pressures is appropriate for the production of cathode rays in the discharge tube?
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Why is a cathode ray tube evacuated to a low pressure?
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What happens if the negative potential is changed on a grid?
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