Discussion
Home ‣ Electronics ‣ RC Circuits Comments
- Question
Calculate the phase angle in the given circuit.
Options- A. 0°
- B. 90°
- C. 22.52°
- D. 67.48°
- Correct Answer
- 67.48°
- 1. Permeability is the inverse equivalent of which electrical term?
Options- A. Voltage
- B. Current
- C. Resistance
- D. Conductance Discuss
- 2. The polarity of induced voltage while a field is collapsing is
Options- A. independent of the force creating the field
- B. opposite to the force creating the field
- C. identical to the force creating the field
- D. present only if the force is stationary Discuss
- 3. How much flux is there in a magnetic field when its flux density is 5000 µT and its cross-sectional area is 300 mm2?
Options- A. 16.67 mWb
- B. 5.0 µWb
- C. 3.0 mWb
- D. 1.5 µWb Discuss
- 4. Which electromagnetic device contains an armature?
Options- A. A speaker
- B. A dc generator
- C. A relay
- D. A solenoid Discuss
- 5. "Series" and "parallel" as applied to dc motors refer to
Options- A. the connection of the motor and controller
- B. the connection of the field coil and armature windings
- C. the connection of the brush and commutator
- D. the connection of the motor batteries Discuss
- 6. What is the phase angle for a parallel circuit consisting of a 500 kHz, 5 Vac source with a 47 pF capacitor, and a 4.7 kΩ resistor in parallel?
Options- A. 55.3°
- B. ?55.3°
- C. 34.8°
- D. ?34.8° Discuss
- 7. Which of the following is the reference vector for parallel RC circuits?
Options- A. R
- B. V
- C. I
- D. XC Discuss
- 8.
What is the total current in the given circuit?
Options- A. 0.28 A
- B. 0.399 A
- C. 909 A
- D. 0.2 A Discuss
- 9. What is the effect of increasing the resistance in a series RC circuit?
Options- A. There will be no effect at all.
- B. The current will increase.
- C. The phase shift will decrease.
- D. The input voltage will increase. Discuss
- 10. As frequency increases
Options- A. both series and parallel RC impedance decrease
- B. series RC impedance decreases and parallel RC impedance increases
- C. series RC impedance increases and parallel RC impedance decreases
- D. both series and parallel RC impedance increase Discuss
RC Circuits problems
Search Results
Correct Answer: Resistance
Correct Answer: opposite to the force creating the field
Correct Answer: 1.5 µWb
Correct Answer: A dc generator
Correct Answer: the connection of the field coil and armature windings
Correct Answer: 34.8°
Correct Answer: V
Correct Answer: 0.28 A
Correct Answer: The phase shift will decrease.
Correct Answer: both series and parallel RC impedance decrease
Comments
There are no comments.More in Electronics:
Programming
Copyright ©CuriousTab. All rights reserved.