CBET Basic 2

Question 1

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

Accepted Answer

Direct current (DC)

Answer

Direct current (DC) flows in a single, constant direction, unlike AC which reverses direction periodically.

Question 2

What is the unit of electrical resistance?

Accepted Answer

Ohm

Answer

The ohm (Ω) is the SI unit of electrical resistance, named after Georg Simon Ohm.

Question 3

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

Accepted Answer

Voltage

Answer

In a parallel circuit, all branches share the same voltage, while current may differ in each branch.

Question 4

What does a capacitor store?

Accepted Answer

Electrical charge

Answer

A capacitor stores electrical charge (and thus energy) in an electric field between its plates.

Question 5

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

Accepted Answer

AAMI

Answer

The Association for the Advancement of Medical Instrumentation (AAMI) publishes standards for medical device safety including AAMI ES60601.

CBET - Certified Biomedical Equipment Technician Practice Test