jee_main_2026_24_january_morning - Current Electricity Topics

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QUESTION #30 Measuring Instruments
Two resistors of 100 \, Omega each are connected in series with a 9V battery. A voltmeter of 400Omega resistance is connected to measure the voltage drop across one of the resistors. The voltmeter reading is ____ V.
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QUESTION #37 Meter Bridge
Two resistors 2Omega and 3Omega are connected in the gaps of bridge as shown in figure. The null point is obtained with the contact of jockey at some point on wire XY. When an unknown resistor is connected in parallel with 3Omega resistor, the null point is shifted by 22.5 cm toward Y. The resistance of unknown resistor is ____ Omega. {{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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