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What is the unit of potential gradient ?...

What is the unit of potential gradient ?

A

Vm

B

V/m

C

`Vm^(2)`

D

`V//m^(2)`

Text Solution

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The correct Answer is:
B
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A potentiometer wire has resistance 40Omega and its length is 10m. It is connected by a resistance of 760Omega in series if emf of battery is 2V then potential gradient is:-

KUMAR PRAKASHAN-CURRENT ELECTRICITY-SECTION [D] MULTIPLE CHOICE QUESTIONS (MCQs) (MCQs FROM .DARPAN. BASED ON TEXTBOOK)
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  2. Three cells of emf 1.5 V and internal resislance 1 Omega are connected...

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  3. n resistors each of resistance r are connected to a battery of emf eps...

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  4. n identical cells each of emf epsilon and lnternal resistance r are co...

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  5. Two bulbs of 220 V and 100 W are firs connected in series and then in ...

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  6. The resistance of a 10 m long potentiometer wire is 20 Omega . It is c...

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  7. A potentiometer wire is 100 cm long and a constant potential differenc...

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  8. What is the unit of potential gradient ?

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  9. Resistivity of the mateial of potentiometer wire is (rho) and area of ...

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  10. In an experiment to measure emf epsilon(1) of a battery by a potention...

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  11. The resistance of a 10 m long potentiometer wire is 20 Omega . It is c...

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  12. If reading in ammeterA(1)" is "3A then reading in ammeter A(2) = .....

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  13. Potential difference between points P and Q would be ...... .

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  14. Potential difference between points P and Q would be ......

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  15. A 100 W bulb B(1) and two 60W bulbs B(2) and B(3) , are connected to a...

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  16. Seven resistance each of 20Omega are connected with 2 volt battery, r...

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  17. Given quantity of water is boiled by an electric heater in 5 min. If s...

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  18. Assertion : In a simple battery circuit the point of lowest potential ...

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  19. A : The drift velocity of electrons in a metallic wire will decrease, ...

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  20. A : A 60 watt bulh has greater resistance than a 100 watt bulb. R : ...

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