High Voltage Section

Question 1

The step up transformer increases voltage how many times?

Answer 1

500-1000

Question 2

The high voltage generator contains

Answer 2

1. High voltage transformer (step up)
2. Filament transformer (step down)
3. Rectifiers

Question 3

What are the components for rectification in modern imaging systems?

Answer 3

solid state semiconductors

Question 4

Rectifiers change

Answer 4

AC to DC

Question 5

Full wave rectified, three phase, six pulse provides how many pulses per second?

Answer 5

360

Question 6

voltage across the x-ray tube is most constant with

Answer 6

high frequency generators

Question 7

single phase wave for has what percent ripple?

Answer 7

100%

Question 8

The principle disadvantage of 3 phase equipment is

Answer 8

cost

Question 9

The x-ray generator with the lowest power rating is

Answer 9

single phase

Question 10

What device is used to allow electricity to flow in one direction?

Answer 10

diode/rectifier

Question 11

What device is used to increase or decrease voltage by a certain amount?

Answer 11

transformer

Question 12

Mutual induction involves electricity being induced into the

Answer 12

secondary coil

Question 13

With mutual induction, to reduce voltage on the secondary side, there must be

Answer 13

AC in the primary coil

Question 14

When mutual induction takes place, which current is being produced?

Answer 14

AC

Question 15

A step up transformer results in

Answer 15

increased voltage & decreased amps

Question 16

A step down transformer results in

Answer 16

decreased voltage & increased amps

Question 17

A transformer with 100x more turns on the secondary side is a

Answer 17

step up transformer

Question 18

The step up transformer converts

Answer 18

volts to kVp

Question 19

What device changes AC to DC?

Answer 19

rectifiers

Question 20

a solid state rectifier what which to types?

Answer 20

p-type/n-type

Question 21

the fluctuation in voltage is know as

Answer 21

ripple

Question 22

4 rectifiers will produce

Answer 22

full wave

Question 23

single phase full wave will produce what percent of ripple?

Answer 23

100

Question 24

3 phase uses how many AC wave forms at the same time?

Answer 24

3

Question 25

The less the ripple, the more

Answer 25

constant the energy

Question 26

The least amount of ripple is the result of

Answer 26

high frequency generator

Question 27

the primary purpose of the step down is to

Answer 27

increase the amperage going into the filament

Question 28

The high voltage section is the only section with

Answer 28

all three circuits

Question 29

High voltage is responsible for converting

Answer 29

volts to kVp (step up)