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A cell, a resistor, a key and ammeter ar...

A cell, a resistor, a key and ammeter are arranged as shown in the circuit diagrams. The current recorded in the ammeter will be

A

maximum in [i]

B

maximum in [ii]

C

maximum in [iii]

D

the same in all the cases

Text Solution

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The correct Answer is:
B
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ZEN PUBLICATION-ELECTRICITY-ZEN ADDITIONAL QUESTIONS SECTION (MULTIPLE CHOICE QUESTIONS)
  1. A cell, a resistor, a key and ammeter are arranged as shown in the cir...

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  2. Electrical resistivity of a given metallic wire depends upon

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  3. What is the maximum resistance which can be made using five resistors ...

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  4. What is the minimum resistance which can be made using five resistors ...

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  5. Which of the following represents voltage?

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  6. Unit of electric power may also be expressed as

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  7. Which of the following statements does not represent Ohm's law?

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  8. Two resistances of 100 Ω and zero ohm are connected in parallel. Th...

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  9. Three resistors 2 Ω, 3Ω and 4Ω are connected so that the equivalent re...

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  10. When a current 'l' flows through a resistance 'R' for time 't' the ele...

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  11. When a fuse is rated 8 A, it means

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  12. The work done in moving a unit positive charge across two points in an...

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  13. The potential at a point is 20 V. The work done to bring a charge of 0...

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  14. The free electrons of a metal

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  15. The path of a free electron in a metal is

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  16. When there is an electric current passing through a wire, the particle...

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  17. A positive charge released from rest

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  18. Three equal resistances when combined in series are equivalent to 90Ω....

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  19. For which of the following substances, resistance decreases with incre...

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  20. Two electric bulbs have resistances in the ratio 1 : 2. If they are jo...

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