Q3:(6 marks) For the following variable area capacitive transducer ΔΙ Fixed electrode - Moving electrode If the length of each tooth 2 mm, width of tooth 3 mm, gap between the teeth -0.1 mm and number of pairs of teeth -8, E,= 8.854 x 10-12F/m a- Find The capacitance of the transducer when all teeth are in alignment (2 marks) b. What is the change of capacitance if the reduction in I due to a small angular displacement is 0.02 mm (2 marks) Find (2 marks)