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For a cell, a graph is plotted between t...

For a cell, a graph is plotted between the potential difference V across the terminals of the cell and the current I drawn the cell. The emf and the internal resistance of the cell are E and r, respectively. Then

A

`E=2V, r=0.5Omega`

B

`E=2V, r=0.4Omega`

C

`E gt 2V, r=0.5Omega`

D

`Egt 2V, r =0.4Omega`

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-CURRENT ELECTRICITY-PRACTICE SHEET (EXERCISE - III LEVEL-I (MAIN) (Straight Objective Type Questions))
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  4. A student is asked to connected four cells of e.m.f of 1 V and interna...

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  5. When two identical cells are connected either in series or in parallel...

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  7. the current in a circuit containing a battery connected to 2Omega resi...

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  8. A 6 V cell with 0.5Omega internal resistance , a 10 v cell with 1Omeg...

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  9. Two cells of emf E(1) and E(2) are connected to two resistors R(1) and...

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  10. When two cells of different emf's are connected in series to an extern...

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  11. In the circuit R(1)=400 ohm and R(2)=200 ohm. If the resistance of the...

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  15. Three equal resistance each of 3Omega are in series and connected to c...

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