1
WB JEE 2019
MCQ (Single Correct Answer)
+1
-0.25
When the value of R in the balanced Wheatstone bridge, shown in the figure, is increased from 5$$\Omega $$ to 7$$\Omega $$, the value of S has to be increased by 3$$\Omega $$ in order to maintain the balance. What is the initial values of S?
![WB JEE 2019 Physics - Current Electricity Question 20 English](https://app-content.cdn.examgoal.net/fly/@width/image/1l1fj09ok/64e08af0-179a-4651-8947-57d0e8edc348/ec02dc40-b13b-11ec-b8d6-85d90e85ca61/file-1l1fj09ol.png?format=png)
![WB JEE 2019 Physics - Current Electricity Question 20 English](https://app-content.cdn.examgoal.net/fly/@width/image/1l1fj09ok/64e08af0-179a-4651-8947-57d0e8edc348/ec02dc40-b13b-11ec-b8d6-85d90e85ca61/file-1l1fj09ol.png?format=png)
2
WB JEE 2019
MCQ (Single Correct Answer)
+2
-0.5
A capacitor of capacitance C is connected in series with a resistance R and DC source of emf E through a key. The capacitor starts charging when the key is closed. By the time the capacitor has been fully charged, what amount of energy is dissipated in the resistance R?
![WB JEE 2019 Physics - Current Electricity Question 19 English](https://app-content.cdn.examgoal.net/fly/@width/image/1l1fj53bt/c276dd45-d9cb-4c86-ab95-342e7e02ea85/72260090-b13c-11ec-b8d6-85d90e85ca61/file-1l1fj53bu.png?format=png)
![WB JEE 2019 Physics - Current Electricity Question 19 English](https://app-content.cdn.examgoal.net/fly/@width/image/1l1fj53bt/c276dd45-d9cb-4c86-ab95-342e7e02ea85/72260090-b13c-11ec-b8d6-85d90e85ca61/file-1l1fj53bu.png?format=png)
3
WB JEE 2018
MCQ (Single Correct Answer)
+1
-0.25
Four resistors, 100$$\Omega $$, 200$$\Omega $$, 300$$\Omega $$ and 400$$\Omega $$ are connected to form four sides of a square. The resistors can be connected in any order. What is the maximum possible equivalent resistance across the diagonal of the square?
4
WB JEE 2018
MCQ (Single Correct Answer)
+1
-0.25
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 Physics - Current Electricity Question 16 English](https://app-content.cdn.examgoal.net/fly/@width/image/1l8hmz3c2/65735521-af2c-4c33-b1ef-8fd057236ae3/84c44820-3cfa-11ed-a5fa-0b5e5a0fdff9/file-1l8hmz3c3.png?format=png)
![WB JEE 2018 Physics - Current Electricity Question 16 English](https://app-content.cdn.examgoal.net/fly/@width/image/1l8hmz3c2/65735521-af2c-4c33-b1ef-8fd057236ae3/84c44820-3cfa-11ed-a5fa-0b5e5a0fdff9/file-1l8hmz3c3.png?format=png)
Questions Asked from Current Electricity (MCQ (Single Correct Answer))
Number in Brackets after Paper Indicates No. of Questions
WB JEE Subjects
Physics
Mechanics
Units & Measurements Vector Algebra Motion Laws of Motion Circular Motion Work Power & Energy Center of Mass Rotational Motion Properties of Matter Heat and Thermodynamics Simple Harmonic Motion Waves Gravitation
Electricity
Electrostatics Current Electricity Capacitor Magnetism Electromagnetic Induction Alternating Current Electromagnetic Waves
Optics
Modern Physics
Chemistry
Physical Chemistry
Some Basic Concepts of Chemistry Atomic Structure Redox Reaction Gaseous State Chemical Equilibrium Liquid Solution Ionic Equilibrium Thermodynamics Chemical Kinetics Radioactivity and Nuclear Chemistry Electrochemistry Solid State Surface Chemistry
Inorganic Chemistry
Periodic Table Chemical Bonding Metallurgy Hydrogen and It's Compounds Some s Block Elements Some P Block Elements d and f Block Elements Coordination Compounds
Organic Chemistry
Mathematics
Algebra
Sets and Relations Logarithms Sequence and Series Quadratic Equations Permutations and Combinations Mathematical Induction Binomial Theorem Matrices and Determinants Vector Algebra Three Dimensional Geometry Probability Complex Numbers Statistics
Trigonometry
Coordinate Geometry
Calculus