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13 V 3 A 4V 3V R=? Calculate the resistance measured across the second light bulb.
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2 votes
13 V

3 A
4V
3V
R=?
Calculate the resistance measured across the second light bulb.

User Ycomp
by
4.0k points

1 Answer

4 votes

Net potential

  • 13V+4V+3V
  • 20V

Net current=3A

Apply ohm's law

  • R=V/I
  • R=20/3
  • R=6.67Ohm
User Jamey McElveen
by
2.6k points
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