Chapter 15 Labs 12 3 Chapter Questions.pdf (page 4 of 13) Q Search Chapter 15 Labs 1_2_3 Chap. Exper

         Chapter 15 Labs 12 3 Chapter Questions.pdf (page 4 of 13) Q Search Chapter 15 Labs 1_2_3 Chap. Experiment 1 Questions I. Counter EMF is developed in a coil only when DC is applied. True or False? 2. Increasing the frequency of the AC source (increases, decreases) the counter EMF developed in a coil. 3. Define inductive reactance. 4. A 200 mH coil is operated at a frequency of 400 Hz. Solve for the inductive reactance. Sho w your work in the space below 5. Solve for impedance and current in the circuit of Figure 9 4 R1-50 2 20 VAC XL= 40 ? Figure 9 Calculation circuit for question No. 5 15-12

 

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