11 JEE Main 2018 Current Electricity previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2018 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.
In a potentiometer experiment, it is found that no current passes through the galvanometer when the terminals of the ce…
In a meter bridge, as shown in the figure, it is given that resistance Y=12.5 Ω and that the balance is obtained at a d…
Two batteries with e.m.f. 12   V and 13   V are connected in parallel across a load resistor of 10   	…
In the given circuit all resistances are of value R ohm each. The equivalent resistance between A and B is:
A galvanometer with its coil resistance 25  Ω requires a current of 1   mA for its full deflection. In o…
In a circuit for finding the resistance of a galvanometer by half deflection method, a 6   V battery and a high re…
A heating element has a resistance of 100 Ω at room temperature. When it is connected to a supply of 220 V , a steady c…
On interchanging the resistances, the balance point of a meter bridge shifts to the left by 10   cm . The resistan…
In the given circuit all resistance is of the value of R ohm each. The equivalent resistance between A and B is:
A constant voltage is applied between two ends of a metallic wire. If the length is halved and the radius of the wire i…
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