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WB JEE

Current Electricity

Physics

Previous Years Questions

MCQ (More than One Correct Answer)

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A hemisphere of radius R is placed in a uniform electric field E so that its axis is parallel to the field. Which of th...
WB JEE 2022
In the circuit shown in the figure all the resistance are identical and each has the value r$$\Omega $$. The equivalent ...
WB JEE 2019
A non-zero current passes through the galvanometer G shown in the circuit when the key K is closed and its value does no...
WB JEE 2018

MCQ (Single Correct Answer)

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Three concentric metallic shells A, B and C of radii a, b and c (a ...
WB JEE 2022
Find the equivalent capacitance between A and B of the following arrangement : ...
WB JEE 2022
A battery of emf E and internal resistance r is connected with an external resistance R as shown in the figure. The bat...
WB JEE 2022
Two metal wires of identical dimensions are connected in series. If $$\sigma$$1 and $$\sigma$$2 are the electrical condu...
WB JEE 2021
The carbon resistor with colour code is shown in the figure. There is no fourth band in the resistor. The value of the r...
WB JEE 2021
A pair of parallel metal plates are kept with a separation d. One plate is at a potential + V and the other is at ground...
WB JEE 2020
Consider the circuit shown.If all the cells have negligible internal resistance, what will be the current through the 2$...
WB JEE 2020
What will be the equivalent resistance between the terminals A and B of the infinite resistive network shown in the figu...
WB JEE 2020
A galvanometer can be converted to a voltmeter of full scale deflection V0 by connecting a series resistance R1 and can ...
WB JEE 2020
A capacitor of capacitance C is connected in series with a resistance R and DC source of emf E through a key. The capaci...
WB JEE 2019
When the value of R in the balanced Wheatstone bridge, shown in the figure, is increased from 5$$\Omega $$ to 7$$\Omega ...
WB JEE 2019
What is the current I shown in the given circuit?...
WB JEE 2019
Five identical capacitors, of capacitance 20$$\mu$$F each, are connected to a battery of 150V, in a combination as shown...
WB JEE 2019
The insulated plates of a charged parallel plate capacitor (with small separation between the plates) are approaching ea...
WB JEE 2018
An electric bulb, a capacitor, a battery and a switch are all in series in a circuit. How does the intensity of light va...
WB JEE 2018
What will be current through the 200$$\Omega $$ resistor in the given circuit, a long time after the switch K is made on...
WB JEE 2018
Four resistors, 100$$\Omega $$, 200$$\Omega $$, 300$$\Omega $$ and 400$$\Omega $$ are connected to form four sides of a ...
WB JEE 2018
Consider the circuit given here. The potential difference VBC between the points B and C is...
WB JEE 2017
Consider the circuit shown in the figure where all the resistances are of magnitude 1 k$$\Omega$$. If the current in the...
WB JEE 2017
Consider the circuit shown in the figure.The value of the resistance X for which the thermal power generated in it is pr...
WB JEE 2017
Six wires, each of resistance r, are connected so as to form a tetrahedron. The equivalent resistance of the combination...
WB JEE 2017
Three capacitors of capacitance 1.0, 2.0 and 5.0 $$\mu$$F are connected in series to a 10 V source. The potential differ...
WB JEE 2017
A thin wire of resistance 4 $$\Omega$$ is bent to form a circle. The resistance across any diameter is
WB JEE 2008
A battery of e.m.f. E and internal resistance r is connected to an external resistance R the condition for maximum power...
WB JEE 2008

Subjective

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A 60 W - 220 V bulb is connected in series with another bulb 40 W - 220 V. Which bulb will give more illuminance ?...
WB JEE 2008
Two wires each of same material and same length have 2 L 1 ratio of their radii. If the first wire has a resistance of 2...
WB JEE 2008

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