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AP Physics C E&M Gauss's law, calculus and circuits problem-solving quiz quiz

12questions. Pick an answer and you'll see why right away.

  1. Two point charges separated by a distance rr exert a force FF. If the separation is tripled, the force becomes...

  2. Which quantity is a scalar, so it superposes by simple addition with no components?

  3. For a uniformly charged solid insulating sphere of radius RR and total charge QQ, the field at a point inside (r<Rr < R) is...

  4. The electric field just outside a conductor in electrostatic equilibrium is...

  5. A parallel-plate capacitor connected to a fixed-voltage battery has its plate separation doubled. The stored energy...

  6. Two capacitors, 4 μF4\,\mu\text{F} and 4 μF4\,\mu\text{F}, are connected in series. The equivalent capacitance is...

  7. The current that has passed a point is Q(t)=2t2Q(t) = 2t^2 coulombs. The current at t=3t = 3 s is...

  8. A long ideal solenoid has nn turns per meter carrying current II. The field inside is...

  9. The magnetic force on a charged particle moving through a magnetic field does work equal to...

  10. A magnet's north pole is pushed toward a conducting loop. By Lenz's law, the induced current...

  11. In an LR circuit, immediately after the switch connects the battery, the current through the inductor is...

  12. In an ideal LC circuit, at the instant the capacitor is fully charged, the energy is...