Truth or dare.  An R-L-C series circuit has a potentiometer (variable resistor), an inductor with inductance 10.0 [H] and a capacitor with capacitance 3.00 [μF]. Which of the following statements is/are TRUE about the circuit?

I. The circuit is underdamped if 3.60 [kΩ]

II. The decaying current in this circuit is oscillating in time when 3.00 [kΩ]

III. Critical damping occurs in this circuit when 3.65 [Ω]

I'll induce myself na lang. A 80. [H] ideal solenoid carries a time-varying current given by (4.125 × 10^-2 [A/s]). What is the self-induced emf after 3.00 [s]?

U pa rin talaga. A coil of inductance 36 [H] achieves a steady current of 50. [mA]. How much magnetic energy is stored in the coil?

In-duce ko ka. Two loops have a mutual inductance of 25.6 [mH]. A constant current of 1.25 [A] is present in one of the coils. What is the induced emf on the other coil?

Reminder: No i_D, no exam. Consider a charging parallel plate capacitor. Its plates have area and separation distance . What is the maximum displacement current if the electric field between the plates varies according to ?

Two truths, one lie? Which of the following statements is/are TRUE?

I. The work done by an electrostatic electric field in moving a point charge from point a to b does not depend on the path taken.

II. An electrostatic electric field can be produced by changing magnetic field.

III. An induced electric field has no corresponding potential function.

Move it. Consider a conducting bar with length 1.0 [m], moving at a speed of 0.25 [m/s] to the right, connected to a 100. [Ω] resistor as shown. The circuit is immersed in a uniform magnetic field with strength 4.0 [T] directed into the page. The bar and connecting wires have negligible resistance. What is the magnitude of the induced current through the resistor?

Where to go? Consider a circular conducting loop on the -plane that is immersed in a magnetic field , where is positive. If is increasing, what is the direction of the induced magnetic field as viewed from the -axis?

May butas. A conducting tube with inner radius and outer radius is carrying a current of out of the page that is uniformly distributed along its cross-sectional area. What is the magnetic field at region ? Use a clockwise Amperean loop.

Last Faraday Night. A galvanometer is connected across a solenoid, which is in a uniform external magnetic field. Which of the following cases will cause a deflection in the galvanometer needle?

I. Gradually decreasing the magnetic field strength to zero.

II. Tilting 60° from horizontal

III. Squeezing the solenoid's cross-sectional area