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JEE Main
IMPORTANT
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An ideal cell of emf 10 V is connected in circuit shown in figure. Each resistance is 2 Ω. The potential difference (in V) across the capacitor when it is fully charged is ______.

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Important Questions on Current Electricity

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JEE Main
IMPORTANT
Equivalent resistance between points A and B in the adjacent circuit is

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MEDIUM
JEE Main
IMPORTANT

Each of the resistors shown in the figure has resistance R. Find the equivalent resistance between A and B.

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JEE Main
IMPORTANT
The resistance of all the wires between any two adjacent dots is R. The equivalent resistance between A and B as shown in the figure is
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JEE Main
IMPORTANT
In the shown wire frame, each side of a square (the smallest square) has a resistance R. The equivalent resistance of the circuit between the points A and B is
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JEE Main
IMPORTANT
In which of the following arrangements of resistors does the ammeter M which has a resistance of 2 Ω give the largest reading when the same potential difference is applied between points P and Q?
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JEE Main
IMPORTANT

The equivalent resistance between points A and B is: 

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JEE Main
IMPORTANT
A resistor of 6  with tolerance 10% and another resistance of 4  with tolerance 10% are connected in series. The tolerance of the combination is about
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JEE Main
IMPORTANT

The maximum and the minimum equivalent resistance obtained by combining n identical resistors of resistance R, are Rmax and Rmin respectively. The ratio RmaxRmin is equal to