Current Electricity PYQs - Last 5 Years

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PhysicsElectromagnetism2022-2026

All Current Electricity PYQs Last 10 Years Create chapter test

Practice 120 MHT CET Physics questions from Current Electricity. Use the year-wise and type-wise breakdown to prioritize recent PYQs, then continue into the question list below.

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Last 5 Years Current Electricity Questions

Showing 20 of 120 filtered questions.

1Current Electricity

In potentiometer experiment, the balancing length is \(8 \mathrm{~m}\) when two cells \(E_1\) and \(E_2\) are joined in series. When two cells are connected in opposition the balancing length is \(4 \mathrm{~m}\). The ratio of the e.m.f. of...

2Current Electricity

When moving coil galvanometer (MCG) is converted into a voltmeter, the series resistance is '\(n\)' times the resistance of galvanometer. How many times that of MCG the voltmeter is now capable of measuring voltage?

3Current Electricity

In a given meter bridge, the current flowing through \(40 \Omega\) resistor is

4Current Electricity

Two cells \(E_1\) and \(E_2\) having equal EMF '\(E\)' and internal resistances \(r_1\) and \(r_2\left(r_1>r_2\right)\) respectively are connected in series. This combination is connected to an external resistance '\(R\)'. It is observed th...

5Current Electricity

Only \(4 \%\) of the total current in the circuit passes through a galvanometer. If the resistance of the galvanometer is \(G\), then the shunt resistance connected to the galvanometer is

6Current Electricity

A \(10 \mathrm{~m}\) long wire of resistance \(20 \Omega\) is connected in series with a battery of emf \(3 \mathrm{~V}\) (negligible internal resistance) and a resistance of \(10 \Omega\). The potential gradient along the wire is

7Current Electricity

A potentiometer wire has length of \(5 \mathrm{~m}\) and resistance of \(16 \Omega\). The driving cell has an e.m.f. of \(5 \mathrm{~V}\) and an internal resistance of \(4 \Omega\). When the two cells of e.m.f.s \(1.3 \mathrm{~V}\) and $$1....

8Current Electricity

Resistance of a potentiometer wire is \(2 \Omega / \mathrm{m}\). A cell of e.m.f. \(1.5 \mathrm{~V}\) balances at \(300 \mathrm{~cm}\). The current through the wire is

9Current Electricity

Two resistance \(\mathrm{X}\) and \(\mathrm{Y}\) are connected in the two gaps of a meterbridge and the null points is obtained at \(20 \mathrm{~cm}\) from zero end. When the resistance of \(20 \Omega\) is connected in series with the small...

10Current Electricity

A potentiometer wire of length \(4 \mathrm{~m}\) and resistance \(5 ~\Omega\) is connected in series with a resistance of \(992 ~\Omega\) and a cell of e.m.f. \(4 \mathrm{~V}\) with internal resistance \(3 ~\Omega\). The length of $$0.75 \m...

11Current Electricity

In potentiometer experiments, two cells of e. m. f. '\(E_1\)' and '\(E_2\)' are connected in series \(\left(E_1>E_2\right)\), the balancing length is \(64 \mathrm{~cm}\) of the wire. If the polarity of \(E_2\) is reversed, the balancing len...

12Current Electricity

Potential difference between the points P and Q is nearly

13Current Electricity

Potential difference between the points P and Q is nearly

14Current Electricity

Two batteries, one of e.m.f. \(12 \mathrm{~V}\) and internal resistance \(2 \Omega\) and other of e.m.f. \(6 \mathrm{~V}\) and internal resistance \(1 \Omega\), are connected as shown in the figure. What will be the reading of the voltmeter...

15Current Electricity

A voltmeter of resistance \(150 \Omega\) connected across a cell of e.m.f. \(3 \mathrm{~V}\) reads \(2.5 \mathrm{~V}\). What is the internal resistance of the cell?

16Current Electricity

If only \(1 \%\) of total current is passed through a galvanometer of resistance '\(G\)' then the resistance of the shunt is

17Current Electricity

A galvanometer has resistance '\(\mathrm{G}\)' and range '\(\mathrm{V} g\)'. How much resistance is required to read voltage upto '\(\mathrm{V}\)' volt?

18Current Electricity

In meter bridge experiment, null point was obtained at a distance '\(l\)' from left end. The values of resistances in the left and right gap are doubled and then interchanged. The new position of the null point is

19Current Electricity

A galvanometer of resistance \(200 \Omega\) is to be converted into an ammeter. The value of shunt resistance which allows \(3 \%\) of the mains current through the galvanometer is equal to (nearly)

20Current Electricity

In the following network, the current through galvanometer will