,
, RTE 1401 ESSENTIALS OF
RADIOGRAPHIC PHYSICS & IMAGING
FINAL PRACTICE TEST | QUESTIONS AND
ANSWERS | 2026 UPDATE | 100% CORRECT
- KEISER UNIVERSITY.
SECTION 1: X-RAY TUBE COMPONENTS &
OPERATION
Question 1
The focusing cup has a ______ charge.
A) Positive
B) Neutral
C) Negative
D) Alternating
Correct Answer: C
Rationale: The focusing cup has a negative charge, which helps to focus and
direct the electron stream toward the anode target. This ensures precise
electron beam alignment and prevents divergence of the electron cloud .
Source: RTE 1401 Exam 3 Study Guide
Question 2
, RTE 1401 ESSENTIALS OF
RADIOGRAPHIC PHYSICS & IMAGING
FINAL PRACTICE TEST | QUESTIONS AND
ANSWERS | 2026 UPDATE | 100% CORRECT
- KEISER UNIVERSITY.
SECTION 1: X-RAY TUBE COMPONENTS &
OPERATION
Question 1
The focusing cup has a ______ charge.
A) Positive
B) Neutral
C) Negative
D) Alternating
Correct Answer: C
Rationale: The focusing cup has a negative charge, which helps to focus and
direct the electron stream toward the anode target. This ensures precise
electron beam alignment and prevents divergence of the electron cloud .
Source: RTE 1401 Exam 3 Study Guide
Question 2
