Physics 2 test 1

Physics 2 test 1

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Created by

Rachel Horengic

Used 8+ times

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81 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many alterations in the direction of the current flow occur in 0.10 sec in a 60Hz AC current

6

12

60

120

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where on the x-ray circuit is the rectification circuit located

between the semiconductors and the valve tubes

between the step-down transformer and the rheostat

between the step-up transformer and the x-ray tube

between the thermionic diode tubes and the x-ray machines

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

the exposure switch on an x-ray machine is intended to

initiate the exposure

terminate the exposure

both initiate and terminate the exposure

rotate the anode up to speed

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

electrical device used to adjust the mA selection is a/an

autotransformer

stator

diode

variable resistor

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

the mA selector is found between the

incoming line and the exposure switch

autotransformer the timer circuit

exposure switch and step-up transformer

incoming line and the step-down transformer

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

all the following are the radiographer-operating controls except

kVp selection

timer selection

rotor speed

mA selection

7.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

the diagnostic x-ray range is approximately

10 to 1200 mA

0.001 to 10 sec

25 to 125 kVp

50-300 columbs

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