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In Fig. 27-51. battery 1 has emf epsi(1)...

In Fig. 27-51. battery 1 has emf `epsi_(1)= 12.0 V` and internal resistance `r_1= 0.025 Omega` and battery 2 has `emf_(2)= 12.0 V` and internal resistance `r_2= 0.012Omega`. The batteries are connected in series with an external resistance R. (a) What R value makes the terminal-to-terminal potential difference of one of the batteries zero? (b) Which battery is that?

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The correct Answer is:
`(a) 0.013 Omega; ` (b) battery 1
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RESNICK AND HALLIDAY-CIRCUITS-Problems
  1. An infinite ladder is constructed with 1 Omega and 2 Omega resistors a...

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  2. In Fig 27-50, epsi=24.0 V, R(1)=2000 Omega, R(2)=3000 Omega and R(3)=4...

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  3. In Fig. 27-51. battery 1 has emf epsi(1)= 12.0 V and internal resistan...

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  4. A capacitor with initial charge q0, is discharged through a resistor. ...

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  5. In Fig 27-52, circuit section AB absorbs energy at a rate of 50W when ...

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  6. Sixteen copper wires of length I and diameter d are connected in paral...

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  7. In Fig 27-53, a voltmeter of resistance R(v)=300 Omega and an ammeter ...

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  8. Shown an arrangement to measure the emf (epsilon)and internal resistan...

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  9. A voltmeter consists of a 25Omega coil connected in series with a 575 ...

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  10. An ammeter is to be constructed which can read currents up to 2.0 A. I...

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  11. A volmeter coil has resistance 50.0 Omega and a resistor of 1.15 k Ome...

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  12. A 3.00 M Omega resistor and a 1.00 muF capacitor are connected in seri...

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  13. In an RC series circuit, emf epsi= 12.0 V, resistance R =1.40 MOmega a...

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  14. In Fig 27-56, the ideal batteries have emf emf(1)2=200V and epsi(2)=50...

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  15. Figure 27-56 shows the circuit of a flashing lamp, like those attached...

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  16. Six 18.0Omega resistors are connected in parallel across a 12.0V ideal...

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  17. In Fig. 27-9, what is the potential difference V.d -Vc between points ...

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  18. In the circuit of Fig 27-57 epsi=1.2kV, c=6.5muF, R(1)=R(2)=R(3)=0.73 ...

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  19. When resistors 1 and 2 are connected in series, the equivalent resista...

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  20. A car battery with a 12 V emf and an internal resistance of 0.030 Omeg...

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