EASY
JEE Advanced
IMPORTANT
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In the given figure R=3 Ω. Determine equivalent resistance between points A and B.
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Important Questions on Electric Current and Circuits

MEDIUM
JEE Advanced
IMPORTANT
In the circuit as shown in figure, the ratio of current i1i2 is
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MEDIUM
JEE Advanced
IMPORTANT
For the circuit shown in the figure, determine the charge of the capacitor in steady state.
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EASY
JEE Advanced
IMPORTANT
In the circuit shown in figure C1=2C2. Switch S is closed at time t=0. Let i1 and i2 be the currents flowing through C1 and C2 at any time t, then the ratio i1i2
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HARD
JEE Advanced
IMPORTANT
When the switch 1 is closed, the current through the 8 Ω resistance is 0.75 A. When the switch 2 is closed (only), the current through the resistance marked x is 1 A.
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The value of ε is
MEDIUM
JEE Advanced
IMPORTANT
What is the equivalent capacitance between A and B in the circuit at steady state shown.
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EASY
JEE Advanced
IMPORTANT

Consider a conductor of the variable cross-section in which current is flowing from cross-section 1 to 2.

Then, 

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EASY
JEE Advanced
IMPORTANT
The charge flowing in the conductor varies with time as Q=at-bt2. Then the current