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QJEE MAIN
The reading in the ideal voltmeter (V) shown in the given circuit diagram is
JEE MainPhysicsEasy
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QJEE-Main_2024
Two cells are connected in opposition as shown. Cell $E_1$ is of 8V emf and 2Ω internal resistance; the cell $E_2$ is of 2V emf...
JEE MainPhysicsEasy
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QJEE-Main_2024
An electric toaster has resistance of 60Ω at room temperature $\left(27^{\circ} \mathrm{C}\right)$. The toaster is connected to a 220 V supply. If the current flowing...
JEE MainPhysicsMedium
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QJEE-Main_2024
A potential divider circuit is shown in figure. The output voltage $\mathrm{V}_0$ is
JEE MainPhysicsEasy
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QJEE MAIN 2024
The deflection in moving coil galvanometer falls from 25 divisions to 5 division when a shunt of 24Ω is applied. The resistance of galvanometer coil...
JEE MainPhysicsEasy
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QJEE MAIN 2024
A galvanometer having coil resistance 10Ω shows a full scale deflection for a current of 3 mA. For it to measure a current of 8A,...
JEE MainPhysicsMedium
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QJEE MAIN 2024
The electric current through a wire varies with time as $I=I_0+\beta \mathrm{t}$. where $I_0=20 \mathrm{~A}$ and $\beta=3 \mathrm{~A} / \mathrm{s}$. The amount of electric charge...
JEE MainPhysicsMedium
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QJEE MAIN 2025
In a moving coil galvanometer, two moving coils $M_{1}$ and $M_{2}$ have the following particulars : $R_{1}=5 \Omega, N_{1}=15, A_{1}=3.6 \times 10^{-3} m^{2}, B_{1}=0.25 T$...
JEE MainPhysicsMedium
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QJEE MAIN 2024
The charge accumulated on the capacitor connected in the following circuit is $\mu \mathrm{C} ($ Given $\mathrm{C}=150 \mu \mathrm{~F})$
JEE MainPhysicsMedium
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QJEE MAIN 2024
A wire of resistance R and length L is cut into 5 equal parts. If these parts are joined parallely, then resultant resistance will be...
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