8 JEE Main 2003 Current Electricity previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2003 previous-year questions from the Current Electricity chapter of Physics. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Current Electricity chapter hub.
The length of a wire of a potentiometer is 100 ~cm, and the e.m.f. of its standard cell is E volt. It is employed to me…
The length of a given cylindrical wire is increased by 100 \%. Due to the consequent decrease in diameter the change in…
The thermo e.m.f. of a thermo-couple is 25 µ V / ⁱrc C at room temperature. A galvanometer of 40 ohm resistance, capabl…
The negative Zn pole of a Daniell cell, sending a constant current through a circuit, decreases in mass by 0.13 ~g in 3…
A 220 volt, 1000 watt bulb is connected across a 110 volt mains supply. The power consumed will be
An ammeter reads up to 1 ampere. Its internal resistance is 0.81 ohm. To increase the range to 10 ~A the value of the r…
A strip of copper and another of germanium are cooled from room temperature to 80 ~K. The resistance of
A 3 volt battery with negligible internal resistance is connected in a circuit as shown in the figure. The current I, i…