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Two bulbs, one of 50 watt and another of...

Two bulbs, one of 50 watt and another of 25 watt are connected in series to the mains. The ratio of the currents through them is

A

2 : 1

B

`1:2`

C

1 : 1

D

can't be determined without the p.d. of the main supply

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Verified by Experts

The correct Answer is:
D
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MOTION-CURRENT ELECTRICITY-EXERCISE -1 (OBJECTIVE PROBLEMS NEET)
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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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