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JEE Advanced

IMPORTANT

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The potential difference $V_{A} - V_{B}$ for the circuit shown in figure is $- (22 / x) V$ . Find the value of $x$ .

Important Questions on Electric Current and Circuits

MEDIUM

JEE Advanced

IMPORTANT

PHYSICS for Joint Entrance Examination JEE (Advanced) Electrostatics and Current Electricity>Chapter 5 - Electric Current and Circuits>Exercise>Q 15

Find current in the branch $C D$ of the circuit (in ampere)
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EASY

JEE Advanced

IMPORTANT

PHYSICS for Joint Entrance Examination JEE (Advanced) Electrostatics and Current Electricity>Chapter 5 - Electric Current and Circuits>Exercise>Q 16

Find the current (in

A

) in the rightmost shown in figure.
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HARD

JEE Advanced

IMPORTANT

PHYSICS for Joint Entrance Examination JEE (Advanced) Electrostatics and Current Electricity>Chapter 5 - Electric Current and Circuits>Exercise>Q 17

At what value of the resistance in the circuit shown in the figure will the total resistance between points

A

and

B

be independent of the number of cells? If

R = (\sqrt{3} + 1) Ω

, then the value of

X

will be ___

Ω .

MEDIUM

JEE Advanced

IMPORTANT

PHYSICS for Joint Entrance Examination JEE (Advanced) Electrostatics and Current Electricity>Chapter 5 - Electric Current and Circuits>Exercise>Q 18

In the given circuit, each resistance is $r = 18.75 Ω$ . The current (in $A$ ) in the resistance connected across $A$ and $B$ is,
Question Image

MEDIUM

JEE Advanced

IMPORTANT

PHYSICS for Joint Entrance Examination JEE (Advanced) Electrostatics and Current Electricity>Chapter 5 - Electric Current and Circuits>Exercise>Q 19

In the circuit shown in the figure, find the steady-state charge in

6 μF

capacitor (in

μC

MEDIUM

JEE Advanced

IMPORTANT

PHYSICS for Joint Entrance Examination JEE (Advanced) Electrostatics and Current Electricity>Chapter 5 - Electric Current and Circuits>Exercise>Q 20

In an infinite network of resistance, each resistance of value

R = 2 Ω

, is arranged as shown in the figure. Find the equivalent resistance between

A

and

B

(in

Ω

HARD

JEE Advanced

IMPORTANT

PHYSICS for Joint Entrance Examination JEE (Advanced) Electrostatics and Current Electricity>Chapter 5 - Electric Current and Circuits>Archives>Q 1

Let

C

be the capacitance of a capacitor discharging through a resistor

R

. Suppose

t_{1}

be the time taken for the energy stored in the capacitor to reduce to half its initial value and

t_{2}

be the time taken for the charge to reduce to one-fourth of its initial value. Then the ratio

\frac{t_{1}}{t_{2}}

will be,

HARD

JEE Advanced

IMPORTANT

PHYSICS for Joint Entrance Examination JEE (Advanced) Electrostatics and Current Electricity>Chapter 5 - Electric Current and Circuits>Archives>Q 2

Two conductors have the same resistance at

0 ° C

but their temperature coefficients of resistance are

α_{1}

and

α_{2}

. The respective temperature coefficients of their series and parallel combinations are nearly

The potential difference VA-VB for the circuit shown in figure is -(22/x) V. Find the value of x.

Important Questions on Electric Current and Circuits

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The potential difference $V_{A} - V_{B}$ for the circuit shown in figure is $- (22 / x) V$ . Find the value of $x$ .