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Physics Solutions Library

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3,713 solutions

Resonance in Series LRC Circuits

Q. a) What would have to be the self-inductance of a solenoid for it to store 11.0 J of energy when a 1.50A current runs through it? b) If such an in...

Solved • Dec 19, 2016
Motional EMF

Q. A jumbo jet with wing span (distance between the wing tips) of 30 meters is cruising with speed of 2000 km/hour. Suppose that the earth's magnetic ...

Solved • Dec 19, 2016
Series LRC Circuits

Q. A 250Ω resister, a 20mH inductor, and a 4.5uF capacitor are in series, and are connected to an AC source: V(t) = V0cos(wt + 45°). The maximum volta...

Solved • Dec 19, 2016
Solving Capacitor Circuits

Q. Four 4μF capacitors are connected into a square. A battery of unknown voltage is connected between the diagonal corners of the square. As a result,...

Solved • Dec 19, 2016
Parallel Plate Capacitors

Q. The plates of a parallel-plate capacitor are 3.0mm apart, and each plate carries 75nC of charge. The electric field between the plates has a magnit...

Solved • Dec 19, 2016
Coulomb's Law (Electric Force)

Q. A dipole with negative charge of -5.0 x 10 -6 C on the x-axis at x = -3.0 cm, and a positive charge of 5.0 x 10-6 C on the x-axis at  x = + 3.0 cm....

Solved • Dec 19, 2016
Electric Field

Q. Two point charges having charge of -6.25 x 10 -9 C and -12.5 x 10 -9 are 25.0 cm apart. a) Calculate the magnitude of Coulomb force between them. ...

Solved • Dec 19, 2016