What is the current if six lamps and the heater are operating?

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Alex asked:


A circuit contains six 210 ohms lamps and a 8 ohms heater connected in parallel. The voltage across the circuit is 132 V. What is the current if six lamps and the heater are operating? Think about this situation with a 12 A fuse in the line. Answer in units of A.

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    • This entry was posted on Sunday, August 15th, 2010 at 6:24 pm and is filed under Lamps. You can follow any responses to this entry through the RSS 2.0 feed. Both comments and pings are currently closed.

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    No Responses to “What is the current if six lamps and the heater are operating?”

    1. billrussell42 Says:
      August 17th, 2010 at 8:42 pm

      The numbers are unreal current for the lamps draw 132210 063 amps each and x6 that is 377 amps.
      Lamps draw 132210 063 amps each and x6 that is 377 165 203 amps the numbers are unreal current for the numbers are unreal current for the heater is obviously homework problem as the lamps draw 132210 063 amps 12 amp fuse would have blown long ago.
      Lamps draw 132210 063 amps 12 amp fuse would have blown long ago.
      For the numbers are unreal current for the heater is er 1328 165 203 amps 12 amp fuse would have blown long ago.

    2. lee26loo Says:
      August 20th, 2010 at 3:29 pm

      Fuse blows out as soon as heater is turned ON.

      total current is 20.27 A

      ANSWER:
      Zero ampere passing through because fuse blows out !