MHT CET202122 Sep 2021Evening ShiftPhysicsAlternating CurrentActual
A parallel plate capacitor having plates of radius 6 ~cm has capacitance 100 pF . It is connected to 230 ~V a.c. supply with angular frequency 300 rad / s . the r.m.s. value of current is
Options
- A6.9 10⁻⁶ ~A
- B2.3 10⁻⁵ ~A
- C6.9 10⁻⁵ ~A
- D6.9 10⁻⁷ ~A
Correct answer
A. 6.9 10⁻⁶ ~A
Step-by-step solution
aligned & i = V X _ C = V C & =230 300 100 10⁻¹² Å & =6.9 10⁻⁶ Å aligned