1. Which of the following has the dimension of time? (R: resistance; L: inductance; C: capacitance) (A) LC (B) LR (C) RC (D) R/L (E) None of the above.

10. An electric dipole consists of two opposite charges, each with mass m and charge ±q (respectively), and the two charges are separated by a distance d. Under a uniform external electric field E, the electric dipole performs simple harmonic oscillation if the angle between the dipole and E is small. The period of this oscillation is (A) (B) (C) (D)(E) none of the above.

1. Which of the following has the dimension of time? (R: resistance; L: inductance; C: capacitance)
(A) LC
(B) LR
(C) RC
(D) R/L
(E) None of the above.

相關試題

相關試卷