Two circuits hove two copper rosistors in thom The rosistor in the first circuit has a longth La cross-soctional area A, and a curront 16 00 mA whilo the rosistor in the second circuit has a longth 4L, acrosssoctional aroa 2A, and a curront 200 mA The ratio v/v2 of the crift sppods in the two rosintors is: 2020 Soloct one O b.0.

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Chapter13: Electromagnetic Induction
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Two circuits havo two copper rosistors in thom The rosistor in the first circuit has a longth La
cross-soctional aroa A, and a current 1600 mA whilo the rosistor in the second circult has a
longth 41, a cross soctional aroa 2A, and a curront 200 mA The ratio vi/v2 of the cirift sppods in
the two rosstors is:
020
soloct ond:
Ob.6.
Oc 2/3.
Od3/2.
12/12
Transcribed Image Text:Two circuits havo two copper rosistors in thom The rosistor in the first circuit has a longth La cross-soctional aroa A, and a current 1600 mA whilo the rosistor in the second circult has a longth 41, a cross soctional aroa 2A, and a curront 200 mA The ratio vi/v2 of the cirift sppods in the two rosstors is: 020 soloct ond: Ob.6. Oc 2/3. Od3/2. 12/12
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