# Current Electricity · Physics · AP EAPCET

Start Practice## MCQ (Single Correct Answer)

AP EAPCET 2022 - 4th July Morning Shift

Current density in a cylindrical wire of radius $$R$$ varies with radial distance as $$\beta\left(r+r_0\right)^2$$. The current through the section of...

AP EAPCET 2022 - 4th July Morning Shift

A cell can supply currents of 1 A and 0.5 A via resistances of $$2.5 \Omega$$ and $$10 \Omega$$, respectively. The internal resistance of the cell is...

AP EAPCET 2021 - 20th August Morning Shift

Five current carrying conductors meet at a
point P. What is the magnitude and direction
of the current in the fifth conductor?
...

AP EAPCET 2021 - 19th August Evening Shift

In a potentiometer of 10 wires, the balance
point is obtained on the 6th wire. To shift the
balance point to 8th wire, we should

AP EAPCET 2021 - 19th August Evening Shift

The length of germanium rod is $$0.925 \mathrm{~cm}$$ and its area of cross-section is $$1 \mathrm{~mm}^2$$. If for germanium $$n_i=2.5 \times 10^{19}...

AP EAPCET 2021 - 19th August Morning Shift

A cell of emf 1.8 V gives a current of 17 A when directly connected to an ammeter of resistance 0.06 $$\Omega$$. Internal resistance of the cell is...