# ECT 125 Week 1 Homework Latest

**ECT 125 Week 1 Homework New**

Homework Assignment

Chapter 10

2.) Calculate the value of*v _{L}*developed across a 4.7 H coil when the instantaneous rate of change in component current equals 1.5 A/s.

4.) Calculate the value of*v _{L}*developed across a 470 µH coil when the instantaneous rate of change in component current equals 2 mA/µs.

6.) Calculate the value of the air-core inductor shown

8.) Calculate the value of the iron-core inductor shown

10.) The coils show have a value of*k*= 0. Calculate the total inductance in the circuit

Chapter 12

2.) A capacitor is storing 100 μC of charge when the difference of potential across its plates is 40 V. Calculate the value of the component.

4.) Determine the charge that a 100 pF capacitor stores when the difference of potential across its plates is 25 V.

6.) Calculate the total capacitance in the series circuit shown

8.) Calculate the total capacitance in the series circuit shown

10.) Calculate the total capacitance in the parallel circuit shown

Chapter 16

2.) Determine the time constant for the circuit shown

4.) Determine the time required for the current in the circuit shownto reach its peak value.

6.) An *RL* switching circuit has values of *R*= 33 Ω, *L*= 100 μH, and*I*_{pk}= 75 mA. Determine the value of the circuit current (*I _{t}*) at the following times

8.) Determine the time required for*V _{R}*to reach 18 V on the rise curve

10.) Determine the time constant for the circuit shown

12.) Determine the time required for*V _{C}* in the circuit shownto reach its peak value

14.) An *RC* switching circuit has values of *R*= 120 Ω, *C*= 47 μF, and*V*_{pk} = 8 V. Determine the value of *V _{C}* at the following times

16.) Refer to the following figure. Determine the time required for*V _{C}*to reach 15 V on its rise curve