Wire a and Wire B Are Each Carrying the Same

question 49

Multiple Choice

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

• A)v_dA = 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:

Identical Twins

Twins that result from one fertilized egg splitting and forming two embryos, sharing 100% of their genetic material.

Fraternal Twins

Siblings born at the same time but developed from separate eggs fertilized by different sperm, sharing 50% of their DNA.

Single Birth Siblings

Siblings who are not twins or multiples, born from separate pregnancies.

Adaptive Testing

A method of assessment where the difficulty of subsequent questions is determined by the test taker's performance on previous questions.