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In a closed circuit, the vector sum of t...

In a closed circuit, the vector sum of total e.m.f.s is equal to the sum of the

A

currents

B

resistances

C

products of current and the resistances

D

none of the above

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The correct Answer is:
A
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MOTION-CURRENT ELECTRICITY-EXERCISE -1 (OBJECTIVE PROBLEMS NEET)
  1. Four wires of equal length and of resistance 5ohm each are connected i...

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  2. Five resistance are connected as shown in fig. The effective resistanc...

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  3. In a closed circuit, the vector sum of total e.m.f.s is equal to the s...

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  4. For the following diagram the galvanometer shows zero deflection then ...

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  5. For following circuit the value of total resistance between X an...

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  6. Reading of ammeter is

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

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

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

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

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

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

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

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

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

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

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

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

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  19. Lamps used for household lighting are connected in

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

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