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The emf of a cell is always greater than...

The emf of a cell is always greater than its terminal voltage. Why? Give reason.

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Due to internal resistance of the cell, there is a voltage drop across it when current is passed.
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MODERN PUBLICATION-CURRENT ELECTRICITY-REVISION EXERCISES (VERY SHORT ANSWER QUESTIONS)
  1. Two students A and B were asked to pick a resistor of 15 k Omega from ...

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  6. A 150W and a 600W bulbs are joined in parallel to the mains. Out of th...

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  7. Write two special characteristics a wire of electric heater should hav...

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  8. The emf of a cell is always greater than its terminal voltage. Why? Gi...

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  9. Name the device used for measuring the internal resistance of a second...

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  10. Given three resistors of resistances 1 Omega, 2Omega and 3Omega. How w...

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  11. The plot of the variation of potential difference across a combination...

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  12. Two cells of emfs epsilon(1)and epsilon(2) and internal resistances ...

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  13. Obtain the condition for bridge balance in Wheatstone's bridge.

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  14. What is the condition for a Wheatstone bridge to be most sensitive?

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  15. What is the principle of working of meterbridge?

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  16. Assertion: A slide wire bridge is also called a metrebridge. Reason...

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  17. What do a voltmeter connected to two terminals of a cell read: the emf...

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  18. How can the sensitivity of a potentiometer be increased?

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  19. Assertion A potentiometer is preferred over that of a voltmeter for me...

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  20. Why do we prefer potentiometer with a longer bridge wire?

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