Chegg Study I Guided x TRACS Spring 2017 x DC Circuits ll.pdf C+Circuits ll.pdf

Question

Chegg Study I Guided x TRACS Spring 2017 x DC Circuits ll.pdf C+Circuits ll.pdf x Mail mar 343@txstat X c file:///c/Users/Lexi/Downloads/DC+Circuits pdf I. Review: Current and resistance The circuits at right contain identical batteries and bulbs. The boxes labeled X and Y represent different unknown elements. (Assume there are no batteries in either box.) It is observed that the bulb on the left is brighter than L the bulb the right. A. In is the current through the bulb greater than, than, or qual to the current less through the unknown element? B. In each is the current through the bulb greater than, less than, orequal to the current through the battery? c. Based on the observation of the relative brightnesses of the bulbs, is the resistance of element X greater than, less than, or equal to that of element Y? Explain. IL Batteries in series Ask a tutorial instructor for the circuits shown at right. Observe the relative brightnesses of the bulbs. Circuit III Circuit II Circuit I A. Rank the bulbs according to current through each bulb, from largest to smallest. If the current through any two bulbs is the same, state so explicitly. Explain how you can tell without using an ammeter. B. the current through battery D r than less than, or equal to the current through battery Explain how you can tell. Lexi ABP

Explanation / Answer

1.

(a) the bulb and the unknown element are connected in series.so the current in the unknown element is equal to the current through the bulb.

(b)the bulb and the unknown element are connected in series with the battery so all the from the battery flows through the unknown element and the battery.so the current through the bulb is equal to the current through the battery.

(c)the bubl on the left is brighter than the bulb on right.so the current in the circuit with X is greater than the circuit with y. now i= v/r or r= v/i

since current for X is more, so resistance of element X is less than the lement Y.

Related Questions

Navigate

• Browse (All)
• Browse C
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.