lect5410 - 1. When you stack three flashlight batteries in...

Info iconThis preview shows pages 1–10. Sign up to view the full content.

View Full Document Right Arrow Icon
1. When you stack three flashlight batteries in the same direction, you get a voltage of 3x1 ½ volts = 4 ½ volts. What voltage do you get if one of the batteries is turned to face in the opposite direction? 2. What is the difference between a bulb burning out and removing the bulb from its socket? 3. If the resistance connected to a battery is cut in half, what happens to the current through the battery?
Background image of page 1

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

View Full DocumentRight Arrow Icon
DC Circuits
Background image of page 2
Resistors in Series
Background image of page 3

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

View Full DocumentRight Arrow Icon
Resistors in Parallel
Background image of page 4
Electric Power
Background image of page 5

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

View Full DocumentRight Arrow Icon
R V R I IV P 2 2 = = =
Background image of page 6
Conceptual Example: Series or Parallel? The lightbulbs below are identical and have identical resistance R. Which configuration produces more light?
Background image of page 7

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

View Full DocumentRight Arrow Icon
Example: Electric Heater An electric heater draws 15.0 A on a 120-V line. How much power does it use and how much does it cost per month (30 days) if it operates 3.0 h per day and the electric company charges 10.5 cents per kWh? (For simplicity, assume current flowing in one direction).
Background image of page 8
Lightning Bolt Typical lightning bolt can transfer 10 9 J of energy across a
Background image of page 9

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

View Full DocumentRight Arrow Icon
Image of page 10
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 05/05/2009 for the course PHYSICS 1002 taught by Professor Borovitskaya,elena during the Spring '09 term at Temple.

Page1 / 16

lect5410 - 1. When you stack three flashlight batteries in...

This preview shows document pages 1 - 10. Sign up to view the full document.

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