A 12-V Battery Is Connected in Series with a Switch,resistor

question 21

Multiple Choice

A 12-V battery is connected in series with a switch,resistor and coil.If the circuit's time constant is 2.0 x 10^-4 s and the final steady current after the switch is closed becomes 1.0 A,what is the value of the inductance?

• A)1.2 mH
• B)2.4 mH
• C)9.6 mH
• D)48 mH

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Definitions:

Investigation Stage

The preliminary phase in a project or process where information is gathered and analyzed to understand a problem or situation better before making decisions.

Phased Conversion

Implementation process that introduces components of the new system in stages, until the entire new system is operational.

System Stages

The phases or steps in the lifecycle of a system, including conception, development, deployment, operation, and decommissioning.

Parallel Conversion

A method of implementing a new system where the old and new systems run simultaneously for a period of time to ensure the new system works correctly.