首页 试题详情
单选题

The purpose of an x-ray tube filament found in an x-ray circuit is to___.

A Allow the current to flow in one direction only.

B Increase or decrease voltage.

C Create thermionic emission.

D Measure tube current.

正确答案:A (备注:此答案有误)

相似试题

  • 单选题

    The primary purpose of the glass envelope of an x-ray tube is to_____.

    答案解析

  • 单选题

    The purpose of an x-ray tube filament found in an x-ray circuit is to___.

    答案解析

  • 单选题

    THE PURPOSE OF THE PACK IS TO:

    答案解析

  • 单选题

    What is the purpose of the chart of depreciation?

    答案解析

  • 单选题

    THE PURPOSE OF THE EMERGENCY RAM AIR INLET IS TO:

    答案解析

热门题库