Midterm 2 Review Problems

Midterm 2 Review Problems - Problems from book 1. A 1.5 V...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Problems from book 1. A 1.5 V battery stores 5.4 kJ of energy. How long can it light a flashlight bulb that draws 0.60 A? 2. A 6.0 V battery has an internal resistance of 2.1 Ω . If the battery is short-circuited, what is the rate of energy dissipation in its internal resistance? 3. If you accidentally leave your car headlights (current drain 9 A) on for two and a half hours, how much of the 12 V battery's chemical energy is used up? 4. A 44 k Ω resistor and a 35 k Ω resistor are in parallel, and the pair is in series with a 16 k Ω resistor. What is the resistance of the combination? 5. (a) Find the current supplied by the battery in the figure ( R 1 = 380 Ω and R 2 = 100 Ω ) (b) Find the voltage across the 180 Ω resistor. 6. A 2.0 μF capacitor is charged to 10 V. It is then connected across a 600 k Ω resistor. (a) How long does it take for the capacitor voltage to reach 5 V? (b) How long does it take for the energy stored in the capacitor to decrease to half its initial value? 7. A capacitor is charged until it holds 7.0 J of energy. It is then connected across a 10 k Ω resistor. In 8.1 ms, the resistor dissipates 2.0 J. What is the capacitance? resistor dissipates 2....
View Full Document

This note was uploaded on 01/10/2012 for the course PHYS 2114 taught by Professor Bandy during the Spring '08 term at Oklahoma State.

Page1 / 2

Midterm 2 Review Problems - Problems from book 1. A 1.5 V...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online