Delmar Unit 19 review

4 and 5

1. A purely resistive circuit the current is leading by 90° with respect to voltage. 2. A purely inductive circuit the current is lag behind the voltage by 90°. 3. A purely capacitive circuit the current is lead by 90° with respect to the voltage. 4. A capacitor element stored magnetic energy. 5. An inductor element stored electrical energy. 6. Resistor elements consume power. 7. Angle between current and voltage is called power. 8. The power factor angle for a purely resistive is zero. 9. The power factor angle for a purely inductive load is -90°. 10. The power factor of a purely capacitive is leading.

1. Enumerate five formulas for five series connected inductances across Vt source and draw the circuit. 2. Enumerate five formulas for five parallel connected inductances across Vt source and draw the circuit.

An inductor and resistor are connected in parallel to a 120-V, 60-Hz line. The resistor has a resistance of 50 ohms, and the inductor has an inductance of 0.2 H.   How many degrees out of phase are the current and voltage?

What is the effect as more inductors are added in series to a circuit? A. Decreased total inductance. B. Decreased total inductive reactance. C. Decreased total circuit current. D. Decreased total resistance.

If the charging resistor was twice as large as the discharging resistor in Figure 4, theamplitudes of the charging and discharging waveforms would be ________.a. The sameb. Different

17/ The charge across each capacitance when connected in a parallel connected capacitive circuit is ___________________. a. Same charges are observed across each capacitance b. Either same or different charges are observed across each capacitance c. None of the given option d. Different charges are observed across each capacitance

1.Enumerate five formulas for series-parallel connected inductances and draw the circuit. 2.Enumerate five formulas for parallel-series connected inductances and draw the circuit.

AC Circuits Sine-wave generator f- 25 kHz V₁ = 3.0 V VR 888 100 mH Figure 6-Test Circuit 3. Using a two-channel oscilloscope, measure the peak-to-peak voltage VR across the resistor and the peak-to-peak voltage VL across the inductor. Measure the voltage across the inductor using the difference technique described in a previous experiment. Record the voltage readings in Table 2. VL 10 k 1 XL Table 2- Measured and Calculated Values (f = 25 kHz) ZT

C) A 25 A electrodynamic ammeter is controlled by a spring having a constant of 5.7295x 10-6 Nm/rad. The full scale deflection is 110°. Determine the inductance of the instrument while measuring a current of 20 A. The mutual inductance at 0° deflection is 4 u H and the change in mutual inductance is linear with the deflection.

3. What is the effect as more inductors are added in parallel to a circuit? A. Increased total inductance. B. Increased total inductive reactance. C. Increased total resistance. D. Increased total circuit current.

MAKE ONE ORIGINAL WORDED PROBLEM WITH DIAGRAM AND ITS FREE BODY DIAGRAM FOR CAPACITANCE IN SERIES CONNECTION NO UPVOTE IF NOT ORIGINAL AND NO DIAGRAMS ONLY UPVOTE IF FOLLOWED INSTRUCTIONS SHOW COMPLETE SOLUTIONS

If the resistors used for charging and discharging were the same, the charging anddischarging waveform would be ________.a. Symmetricalb. Nonsymmetrical