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A resistor of resistance R is connected ...

A resistor of resistance R is connected to a cell internal resistance `5 Omega`. The value of R is varied from ` 1 Omega` to `5 Omega`. The power consumed by R

A

increases then increases

B

decreases continuously

C

first decreases then increases

D

first increases then decreases.

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The correct Answer is:
A
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RESONANCE-CURRENT ELECTRICITY-Exercise-1 (Part-2)
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  2. In which of the above cells, the potential difference between the term...

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  3. A resistor of resistance R is connected to a cell internal resistance ...

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  4. In the part of circuit shown in figure-3.364

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  5. Find the current flowing through the resistance R(1) of the circuit sh...

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  6. Find the current flowing through the resistance R(1) of the circuit sh...

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  7. In the figure shown the current flowing 2 R is:

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  8. Find the current through the 10(Omega)resistor shown in figure.

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  9. The efficiency of a cell when connected to a resistance R is 60 %. Wha...

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  10. Two coils connected in series have resistance of 600K Omega and 300 Om...

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  11. Two coils connected in series have resistance of 600K Omega and 300 Om...

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  12. Each resistance shown in the network is in ohm. Current through the re...

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  13. Two electic bulbs marked 25 W -220 V and 100 W - 220 V are connected i...

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  14. In the figure shown, each resistor is of 20 Omega and the cell has emf...

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  15. Arrange the order of power dissipated in the given circuits, if the sa...

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  16. Five identical resistors each of resistance 1Omega are initially arra...

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  17. Four identical bulbs each rated 100 watt, 220 volts are connected acro...

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  18. The current i in the circuit (see figure) is

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  19. Three equal resistors connected in series across a source of emf toget...

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  20. The given Wheatstone bridge is showing no deflection in the galvanom...

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