**1.** An electro-magnet draws 3kw of real power and 4 kvar of reactive power.

** a)** Calculate the apparent power.

**a) **** b)** Calculate the power factor

**2.** A capacitor drawing 4kvar is placed in parallel with the electro-magnet of question 1.

**a)** Calculate the new value of apparent power.

** b)** What is the new value of reactive power?

** c)** What is the new value of real power?

**d)** What is the new power factor?

**3.** If the capacitor of question 2is placed with one drawing 8 kvar, calculate

**a)** Calculate the new value of apparent power.

** b)** What is the new value of reactive power?

** c)** What is the new value of real power?

**d)** What is the new power factor?

** e) **Did the addition of the capacitor accomplish anything?

** **Explain

**4. **is the adding of a capacitance affecting the current through the motor windings?

**5.** is the real power supplied to a motor affected by the placing of capacitors in parallel with the motor?

Explain

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