A Parallel Plate Capacitor with Radius 21 Cm Is Connected $\varOmega$

question 64

Multiple Choice

A parallel plate capacitor with radius 21 cm is connected in series 15-V battery.A switch is thrown which causes the capacitor to discharge through a 150- $\varOmega$ resistor.What is the magnetic field 1.0 cm from the axis defined by the centers of the plates at this time?

• A)1.0 * 10^-12 T
• B)3.1 * 10^-12 T
• C)2.1 * 10^-11 T
• D)4.5 * 10^-9 T
• E)You need to know the separation of the plates.

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Definitions:

Thorax Expands

The increase in chest volume during inhalation, facilitated by the muscles of respiration, allowing air to enter the lungs.

Trachea

The windpipe, a large membranous tube with cartilage rings that conveys inhaled air from the larynx to the bronchi.

Capillary Refill

A quick test to assess circulatory status by pressing on a fingernail or skin to see how quickly blood returns after being blanched.

Breath Sounds

The sounds made by air moving through the respiratory system, which can be normal or indicate various lung conditions.