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Which of the following options is not th...

Which of the following options is not the formula for heat energy (in joule) produced when a current is passed through a conductor?

A

`H =I^2 Rt`

B

`H = V^2/R t`

C

`H = IV t`

D

`H = V^2 /I^2t`

Text Solution

Verified by Experts

The correct Answer is:
D
`H = V^2 /I^2t`
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KUMAR PRAKASHAN-ELECTRICITY-OBJECTIVE QUESTIONS AND ANSWERS (Choose the correct option from those given below each question: )
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  2. A wire having resistance 20 Omega is bent in the form of a circle as ...

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  3. Which of the following options is not the formula for heat energy (in ...

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  4. Which option is correct for the following statements A and B? State...

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  5. In which of the following circuits the voltmeter and ammeter are conne...

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  6. Maximum 1 A current can pass through a bulb haVing resistance 100 Omeg...

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  7. Which of the following is not a unit of electric energy?

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  8. Of which physical quantity is the unit,.VA. ?

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  9. Which of the following circuit symbols is used to represent an electr...

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  10. The resistance of 300 m long wire with cross-sectional area 10^(-6)m^2...

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  11. What will be the equivalent resistance of the following circuit?

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  12. Three resistors of resistances 2 Omega, 3 Omega and 5 Omega are connec...

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  13. An electric iron of power 2 kW is used for 3 hours. At Rs 5 per unit, ...

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  14. The working of electric fuse is based on the ...

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  15. Resistivity of a material depends on ......... of the material.

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  16. When resistors of resistances R1 and R2 (R2 lt R1) are connected in pa...

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  17. When resistors of resistances R1 and R2 (R2 gt R1) are connected in se...

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  18. In the following circuit, which electric component is connected in a w...

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  19. 1 C = ......... muC

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  20. Connection of two cells of 1.5 V is shown in the following figure: ...

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