Capacitors, Charge of Sphere, Charge, Potential When two or more capacitors are

Question

Capacitors, Charge of Sphere, Charge, Potential

When two or more capacitors are connected in series across a potential difference the potential difference across the combination is the algebraic sum of the potential differences across the individual capacitors. each capacitor carries the same amount of charge. the equivalent capacitance of the combination is less than the capacitance of any of the capacitors. All of the above choices are correct. None of the above choices are correct. A small sphere with a mass of 441 g is moving upward along the vertical +y-axis when it encounters an electric field of 5.00 N/C i. If, due to this field, the sphere suddenly acquires a horizontal acceleration of 13.0 m/s^2 i, what is the charge of the sphere? 0.25 C -1.15 C 1.15 mC -1.50 nC 1.15 C A negative charge, if free, will tend to move from high potential to low potential. from low potential to high potential. toward infinity. away from infinity. in the direction of the electric field. A uniform electric field, with a magnitude of 600 N/C, is directed parallel to the positive x-axis. If the potential at x = 3.0 m is 1000 V, what is the potential at x = 1.0 m? 1 600 V -1600 V 2200 V - 2200 V 3000 V

Explanation / Answer

1. D

Since in series the battery Voltage is distributed among the capacitors and each capacitor has same charge.

1/Ceq = 1/C1 + 1/C2 + 1/C3 + ..

hence the equivalent capacitance is smaller

3.

B low potential to high potential

this is because negative charge moves in opposite direction of electric field and we know , electric field travel from high to low potential.

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