1

WB JEE 2020

MCQ (Single Correct Answer)

+1

-0.25

A galvanometer can be converted to a voltmeter of full scale deflection V

_{0}by connecting a series resistance R_{1}and can be converted to an ammeter of full scale deflection I_{0}by connecting a shunt resistance R_{2}. What is the current flowing through the galvanometer at its full scale deflection?2

WB JEE 2020

MCQ (Single Correct Answer)

+1

-0.25

What will be the equivalent resistance between the terminals A and B of the infinite resistive network shown in the figure?

3

WB JEE 2020

MCQ (Single Correct Answer)

+1

-0.25

Consider the circuit shown.

If all the cells have negligible internal resistance, what will be the current through the 2$$\Omega $$ resistor when steady state is reached?

If all the cells have negligible internal resistance, what will be the current through the 2$$\Omega $$ resistor when steady state is reached?

4

WB JEE 2020

MCQ (Single Correct Answer)

+2

-0.5

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 potential. A narrow beam of electrons enters the space between the plates with a velocity v

_{0}and in a direction parallel to the plates. What will be the angle of the beam with the plates after it travels an axial distance L?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