A 45-MH Inductor Is Connected to an Ac Source of Emf

question 83

Multiple Choice

A 45-mH inductor is connected to an ac source of emf with a frequency of 400 Hz and a maximum emf of 20 V. The maximum current is:

• A) 0
• B) 0.18 A
• C) 1.1 A
• D) 360 A
• E) 2300 A

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Definitions:

Retentive Outputs

Outputs in a PLC that maintain their state (on or off) even after the PLC is powered down or restarted.

Unsafe Effects

Consequences or outcomes of a process, operation, or design that can potentially lead to harm or danger to people, systems, or the environment.

Examine On Instruction

A programming command used in PLCs to check if a particular condition or input is true (on) before executing subsequent instructions.

Output Status

The current condition or state of an output device, indicating whether it is active, inactive, or in a fault condition.