jee_main_2024_30_january_evening - Current Electricity Topics

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Sample Questions in this Chapter

QUESTION #48 Power Dissipation in Resistors
When a potential difference V is applied across a wire of resistance R, it dissipates energy at a rate W. If the wire is cut into two halves and these halves are connected mutually parallel across the same supply, the energy dissipation rate will become:
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QUESTION #0 Voltmeter Resistance
Two resistance of 100Ω and 200Ω are connected in series with a battery of 4 ~V and negligible internal resistance. A voltmeter is used to measure voltage across 100Ω resistance, which gives reading as 1 ~V. The resistance of voltmeter must be ________ Ω.
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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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