jee_main_2025_03_april_morning - Current Electricity Topics

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QUESTION #5 Resistance of a Circular Wire
A wire of length 25~m and cross-sectional area 5~mm² having resistivity of 2× 10⁻⁶Ω~m is bent into a complete circle. The resistance between diametrically opposite points will be:
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QUESTION #25 Galvanometer/Ammeter with Shunt Resistance
In the figure shown below, a resistance of 150.4Ω is connected in series to an ammeter A of resistance 240Ω. A shunt resistance of 10Ω is connected in parallel with the ammeter. The reading of the ammeter is ________ mA. {{IMG1}}
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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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