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Five dry cell each of e.m.f 1.5V are con...

Five dry cell each of e.m.f 1.5V are connected in parallel. The e.m.f of the combination is

A

7.5 V

B

0.3 V

C

3V

D

1.5 V

Text Solution

Verified by Experts

The correct Answer is:
D
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MOTION-CURRENT ELECTRICITY-EXERCISE -1 (OBJECTIVE PROBLEMS NEET)
  1. For following circuit the value of total resistance between X an...

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  2. Reading of ammeter is

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  3. In the following circuit the resultant emf between AB is –

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  4. Two cells , each of emf E and internal resistance r, are connected in ...

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  5. A cell of e.m.f (E) and internal resistance (r) is connected in series...

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  6. The terminal potential difference of a cell when short-circuited is (E...

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  7. A storage battery is connected to a charger for changing with a voltag...

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  8. The terminal voltage across a battery of emf E can be

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  9. In the figure shown, battery 1 has emf=6V and internal resistance = 1O...

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  10. In which of the above cells, the potential difference between the term...

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  11. Five dry cell each of e.m.f 1.5V are connected in parallel. The e.m.f ...

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  12. Two bulbs, one of 50 watt and another of 25 watt are connected in seri...

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  13. Constant voltage is applied between the two ends of a uniform metallic...

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  14. Two electic bulbs rated P(1) watt V volts and P(2) watt V volts are co...

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  15. Lamps used for household lighting are connected in

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  16. Two electric bulbs whose resistances are in the ratio of 1:2 are conne...

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  17. An electric bulb is rated at 220V, 100W. What is its resistance?

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  18. There bulbs 40 W, 60 W and 100 W are connected in series to 220 V 4 ma...

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  19. If the current in a electric bulb drops by 2% then the power decreases...

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  20. If the current in an electric bulb decreases by 0.5 %, the power in th...

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