Chrome File Edit View History Bookmarks People Window Help T 70% Tue 2:01 PM a E

Question

Chrome File Edit View History Bookmarks People Window Help T 70% Tue 2:01 PM a E Mastering Physics: Chapter 26 Homework https:// session.masteringphysics.com/ MIPABRAHAM 25242016S Signed in as Tanner Calloway Help Close Resources Chapter 26 Homework Finding Current by Changing Resistors previous l 3 of 8 l next Finding Current by Changing Resistors Part A A battery provides a voltage of 9.00 V and has unknown If the external resistance is then changed to R2 6.00 2 What is the value of the current I2 in the circuit? internal resistance Rint When the battery is connected Express your answer numerically in amperes across a resistor of resistance R 8.00 2, the current in the circuit is I 00 A (Figure 1) Submit of 1 Figure 1 Hints My Answers Give Up Review Part Provide Feedback Continue V

Explanation / Answer

I = V/R

I1 = 9/(R1 + Rint)

1 = 9/ (8+Rint)

(8+Rint) = 9

Rint = 9-8 = 1 ohm

NOw again

I2 = V/(R2 + Rint)

I2 = 9 / (6+7)

I2 = 9/13

i2 = .69 A

Related Questions

Navigate

• Browse (All)
• Browse C
• Subjects

---

---

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