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2020 MHT-CET PCM SET - 03 — MHT - CET STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceMHT - CET2020 MHT-CET PCM SET - 031 Mark
MCQ
Two cells having unknown emfs E1 and E2 (E1 > E2) are connected in potentiometer circuit, so as to assist each other. The null point obtained is at 490 cm from the higher potential end. When cell E2 is connected, so as to oppose cell E1, the null point is obtained at 90 cm from the same end. The ratio of the emfs of two cells $\left(\frac{E_1}{E_2}\right)$ is
  • A
    5.33
  • B
    0.689
  • C
    0.182
  • ✓
    1.45
✓

Answer

Correct option: D.
1.45
D

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