The voltmeter is used in another circuit that contains two secondary cells. Cell A has an emf of 10V

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The voltmeter is used in another circuit that contains two secondary cells. Cell A has an emf of 10V and an internal resistance of 1.0 ohm. Cell B has an emf of 4.0 V and an internal resitance of 2.0 ohm.
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  1. Prof. Varun [IB Physics SL HL] India
  2. IB SL
  3. IB HL
  4. International Baccalaureate
  5. IB Physics
  6. SL and HL
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Комментарии
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You said that because the second cell is receiving current from the positive terminal you minus voltage, what would happen if it is received by the negative terminal or does that not happen? Again a very nice video!

aliwardak
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Thank you ! where does the terminal voltage formula come from ?

jackbertholet
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Thank you for your video! I have a small question. At 0:50, you said the voltmeter is ideal voltmeter. I wonder how you figure out that.. how did you realised this is ideal voltmeter?-?

HM-vdfj