What is the effect on the amount of charge

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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 Xc= ?

b.  C = 0.5uF Xe = ?

c.   C = 0.2uF Xc = ?

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:

2054_How much charge is stored.png

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

1.  Xc

727_How much charge is stored 1.png

2.  Zor

3.  Ir

4.  VRI

5.  VC1

Reference no: EM13732763

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