jee_main_2024_31_jan_evening - Current Electricity Topics

Master these core formulas and structures to solve almost any past paper question.

Sample Questions in this Chapter

QUESTION #39 Meter Bridge
The resistance per centimeter of a meter bridge wire is r, with X Ω resistance in left gap. Balancing length from left end is at 40 cm with 25 Ω resistance in right gap. Now the wire is replaced by another wire of 2r resistance per centimeter. The new balancing length for same settings will be at
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QUESTION #43 Power Dissipation
By what percentage will the illumination of the lamp decrease if the current drops by 20%?
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QUESTION #51 Power in DC Circuits
In the following circuit, the battery has an emf of 2 V and an internal resistance of (2)/(3) Ω. The power consumption in the entire circuit is ______ W. {{IMG1}}
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Rankbit System
JEE Physics: Waves (+15.5%) | Electrostatics: Concentric Shells (-29.7%) | Modern Physics: Photoelectric Clones (+34.2%) | Mathematics: Definite Integrals (+18.1%) | Chemistry: Coordination Splitting (-11.4%) | JEE Physics: Waves (+15.5%) | Electrostatics: Concentric Shells (-29.7%) | Modern Physics: Photoelectric Clones (+34.2%) | Mathematics: Definite Integrals (+18.1%) | Chemistry: Coordination Splitting (-11.4%)

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