Problem 1. A onedimensionai electric potential is given by V(r) : A17, where A is a constant and z is the position. (n) \\tht are the units of A? ( ' b) What is the corresponding expression for the electric eld Eh)? Problem 2. A 15.0 ul\" capacilor stores an energy of1,90 m], (n) What is the voltage V across the capacitor? (b) \\Vhat is the charge magnitude Q on each side of the capacitor? Problem 3. A parallel plate capacitor has ii plate area A z 18 ch and a plate separation at : 3.0 mm. There is dry air between the plntcs' (A) What is the capacitance? (b) After connecting a 90 V battery across the capacitor' what is the charge magnitude Q on each plate? We then insert a piece of teon that entirely lls the space between the plates. Teon has a dielectric constant. is : 2.1. (c) \\Vhat. is the new value of the capacitance? (d) With the 9.0 V battery connected, what is the new value of the charge magnitude on each plate? (e) What is the magnitude of the total surface charge indpeed on each side of the piece of teou? Problem 4. \\Vbat is the total equivalent capacitance between points A and B? fee\" 1 55 HF 65 [11' A'' i'3 25 nF 50 nF 75 11F Problem 5. (a) What is the voltage across the 35 [1F capacitor? (b) What is the charge Q on the 45 uF capacitor? 351117 WE\" l T__T 85oF