CBET Basic 2

Question 1

Which type of current flows in only one direction through a circuit?

Accepted Answer

Direct current (DC)

Answer

Alternating current (AC)

Answer

Pulsed current

Answer

Reactive current

Question 2

What is the unit of electrical resistance?

Accepted Answer

Ohm

Answer

Farad

Answer

Henry

Answer

Siemens

Question 3

In a parallel circuit, what remains the same across all branches?

Accepted Answer

Voltage

Answer

Current

Answer

Resistance

Answer

Power

Question 4

What does a capacitor store?

Accepted Answer

Electrical charge

Answer

Magnetic energy

Answer

Mechanical energy

Answer

Chemical energy

Question 5

Which standard organization publishes guidelines for medical device electrical safety in the US?

Accepted Answer

AAMI

Answer

OSHA

Answer

EPA

Answer

NIST

Question 6

The microampere (μA) is equal to how many amperes?

Accepted Answer

10⁻⁶ A

Answer

10⁻³ A

Answer

10⁻⁹ A

Answer

10⁻¹² A

Question 7

What is the primary purpose of an isolation transformer in a medical environment?

Accepted Answer

Isolate patients from line voltage ground faults

Answer

Step up voltage to power large equipment

Answer

Prevent ground-loop interference in audio systems

Answer

Reduce power consumption of connected devices