Summary

• Capacitance

• Written Quiz    Timer
  
  
• Electric current
• Electrical resistance
• Ohm's law applet
  Example #1
  
  Example #2
  

kw4
If a 6-V battery provides 0.25 A of current to a light bulb, what is the resistance of the light bulb?
A. 0.042 W           B. 1.5 W
C. 6.0 W               D. 24 W
Answer







kw4
A 100-W resistor is attached to a 3-V battery. How much current will flow through the circuit?
A. 30 mA           B. 3.0 A
C. 33 A              D. 300 A
Answer







 



D. 24 W













 



A. 30 mA