##### Reference no: EM13732763

1. How much charge (Q) is stored in a 5uF capacitor connected across a 70V supply?

2. How much charge (Q) is stored in a 20uF capacitor connected across a 70V supply?

3. For a constant supply voltage and an *increasing *value of capacitance, what is the effect on the amount of charge (Q)? Explain your reasoning.

4. For a constant supply voltage and a decreasing value of capacitance, what is the effect on the amount of charge (Q)?

5. For 50kV applied across a 250pF capacitor, what is the stored energy?

6. For a fixed frequency of f= 200Hz and the values of C below, determine Xc:

a. C = 1.0uF X_{c}= ?

b. C = 0.5uF X_{e} = ?

c. C = 0.2uF X_{c} = ?

d. C = 0.1uF ?

7. Determine the following:

a. XcT for two capacitors in series with the values Xci = 300ohms and Xc2 = 400ohms

b. Xcal for three capacitors in parallel with the values Xci = 100ohms, Xc2 = 400ohms and Xc3 = 200ohms

8. For the circuits below, determine CEQ and CT respectively:

For the circuit above, determine the following (express all answers in phasor form):

1. Xc

2. Zor

3. Ir

4. VRI

5. VC1