An Inductance L and a Resistance R Are Connected in Series

question 11

Multiple Choice

An inductance L and a resistance R are connected in series to an ideal battery.A switch in the circuit is closed at time t = 0, at which time the current is zero.The energy stored in the inductor is a maximum:

• A)just after the switch is closed
• B)at the time t = L/R after the switch is closed
• C)at the time t = L/R² after the switch is closed
• D)at the time t = 2L/R after the switch is closed
• E)a long time after the switch is closed

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Definitions:

Lava Fountains

Explosive volcanic eruptions that eject lava high into the air in a spectacular display, often from a single vent or fissure.

Pahoehoe Lava

A type of basaltic lava flow with a smooth, unbroken surface that resembles ropey or wrinkled skin, flowing more fluidly than other types.

Aa Lava

A type of lava flow characterized by a rough, jagged surface formed when more viscous lava cools and solidifies.

Vesicles

Small cavities in volcanic rocks that were formed by gas bubbles during the solidification of the rock.