单选题

Which statement of followings is NOT correct about the relation between tube current and filament current?

A They have a linear dependency.

B The two currents are separated but interrelated via the space charges.

C Tube current changes with the supplied tube voltage at constant filament current.

D Tube current is measured in mA and filament current in A

查看答案

正确答案：A （备注：此答案有误）

相似试题

单选题

Which of the following statement is not true?

答案解析
单选题

Which of the following statement related to PMO is not correct? ( )

答案解析
单选题

Which of the following statement related to PMO is not correct? （）A.The specific form, function, an

答案解析
单选题

Which statement about multicast RPs is true?

答案解析
单选题

Choose two.You have an installation of MySQL 8 on Oracle Linux.Which statement is true about disk temporary tables for this installation?

答案解析