Asked by Kaitlin Ptacek on May 22, 2024
Verified
What is a magnetically operated device that can change values of voltage, current, and impedance without changing frequency?
A) a converter
B) an inverter
C) a transformer
D) a transistor
Magnetically Operated
Describes devices or mechanisms that are controlled or actuated through magnetic force or fields, often found in relays and circuit breakers.
Impedance
The combined effect of resistance, inductance, and capacitance on alternating current, expressed in ohms, which inhibits the flow of electricity in a circuit.
Transformer
An electric device that changes one value of AC voltage into another value of AC voltage.
- Recognize and comprehend the fundamental functioning and elements of a transformer.
Verified Answer
JM
Jessica McClellanMay 24, 2024
Final Answer :
C
Explanation :
A transformer is a magnetically operated device that can change values of voltage, current, and impedance without altering the frequency. It operates on the principle of electromagnetic induction.
Learning Objectives
- Recognize and comprehend the fundamental functioning and elements of a transformer.