Wire a and Wire B Are Each Carrying the Same

question 46

Multiple Choice

Wire A and Wire B are each carrying the same current.If the diameter of Wire A is half that of Wire B,how does the drift velocity v_dA in Wire A compare to that in Wire B?

• A) v_dA = 4 v_dB
• B) v_dA = 2 v_dB
• C) v_dA = v_dB /2
• D) v_dA = v_dB /4

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Definitions:

Alley Cropping

An agroforestry practice where crops are grown in between rows of trees or shrubs, enhancing biodiversity and crop yield.

Hedgerows

Densely planted rows of shrubs or trees used as a barrier or boundary and to promote biodiversity in agricultural landscapes.

Fuelwood

Wood intended for use as fuel, traditionally for cooking or heating.

Crop Rotation

The agricultural practice of growing different types of crops in the same area in sequenced seasons to improve soil health and reduce pests and diseases.