An LR Circuit Contains an Ideal 60-V Battery,a 51-H Inductor

question 8

Multiple Choice

An LR circuit contains an ideal 60-V battery,a 51-H inductor having no resistance,a 21-Ω resistor,and a switch S,all in series.Initially,the switch is open and has been open for a very long time.At time t = 0 s,the switch is suddenly closed.When the voltage across the resistor is equal to the voltage across the inductor,what is the current in the circuit?

• A) 1.4 A
• B) 0.57 A
• C) 1.1 A
• D) 0.86 A
• E) 1.7 A

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Definitions:

Experimental Group

The group in a scientific study that receives the intervention or treatment under investigation.

Independent Variable

In an experimental setting, the variable that is manipulated or changed to observe its effect on the dependent variable.

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The depiction of violent acts on television programming, which may influence viewer perceptions and behavior.

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Actions that involve force or the threat of force to harm others.