Image Production – ARRT X-Ray Board Exam Questions and Answers (Graded A+

Image Production - ARRT X-RAY
BOARD EXAM questions and answers
2024\2025 A+ Grade




The resistance of electric flow through a circuit is measured in:



A. Volts

B. Amperes

C. Ohms

D. Joules
- correct answer C. Ohms



A circuit with a single path for electric current flow is defined as a(n):



A. Parallel circuit

B. Closed circuit

C. Series circuit

D. Open circuit
- correct answer C. Series circuit



The degree of resistance provided by an individual resistor within a circuit is measured in:



A. Volts

B. Watts

,C. Ohms

D. Amperes
- correct answer C. Ohms



Within a circuit, the letter ( I ) is used to represent



A. Voltage

B. Resistance

C. Current

D. Watts
- correct answer C. Current



Within a series circuit, total resistance can be calculated by:



A. Multiplying the ohms of all resistors within the circuit

B. Summing the ohms of all resistors within the circuit

C. Subtracting the ohms of all resistors within the circuit
- correct answer B. Summing the ohms of all resistors within the circuit



Electrical current is measured in units of:



A. Watts

B. Volts

C. Amperes

D. Ohms
- correct answer C. Amperes



What is the total current (in amperes) of a series circuit with 220 volts and 20 ohms?



A. 240 amperes

,B. 4,400 amperes

C. 11 amperes

D. 220 amperes
- correct answer C. 11 amperes



Within a parallel circuit, the breaking of a single path will stop the follow of electricity throughout the
entire circuit.



A. True

B. False
- correct answer B. False



Removing a resistor within a circuit can act to increase the total voltage of a circuit.



A. True

B. False
- correct answer B. False



What is the total resistance of a parallel circuit with three resistors of 6 ohm, 12 ohm, and 2 ohm?



A. 20 ohms

B. 12 ohms

C. 1.3 ohms
- correct answer C. 1.3 ohms



Total current (amperes) is calculated by multiplying total voltage with total resistance.



A. True

B. False
- correct answer B. False

, Total voltage is calculated by multiplying total resistance (ohms) by total current (A).



A. True

B. False
- correct answer A. True



Within the Ohm's triangle, resistance is discovered by _____________ volts with amps.



A. Multiplying

B. Dividing

C. Adding

D. Squaring
- correct answer B. Dividing



Within the Ohm's triangle, total voltage is found by _____________ ohms with ampers.



A. Adding

B. Dividing

C. Multiplying

D. Squaring
- correct answer C. Multiplying



What is the voltage of a parallel circuit with a total resistance of 5 ohms and total current of 0.5 amps?



A. 10 V

B. 5.5 V

C. 2.5 V
- correct answer C. 2.5 V



Electrical resistance, measured in Ohms, is sometimes represented by the letter: