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- Question
Four resistors of equal value are connected in parallel. If the total voltage is 15 V and the total resistance is 600 Ω, the current through each parallel resistor is
Options- A. 25 mA
- B. 100 mA
- C. 6.25 mA
- D. 200 mA
- Correct Answer
- 6.25 mA
- 1. In a series RL circuit, 12 V rms is measured across the resistor, and 14 V rms is measured across the inductor. The peak value of the source voltage is
Options- A. 18.4 V
- B. 26.0 V
- C. 2 V
- D. 20 V Discuss
- 2. An RC high-pass filter consists of a 0.2 µF capacitor and a 220 Ω resistor. The output is taken across the resistor. The circuit's critical frequency is
Options- A. 723 Hz
- B. 7,234 Hz
- C. 362 Hz
- D. 3,617 Hz Discuss
- 3. A series resonant band-pass filter consists of a 2 mH coil, a 0.005 µF capacitor, and a 120 Ω resistor. The winding resistance of the coil is 12 Ω. The output voltage is taken off the resistor. Input voltage is 12 Vrms. What is the output voltage magnitude at the center frequency (f0)?
Options- A. 10.9 V
- B. 1.09 V
- C. 1.1 V
- D. 12 V Discuss
- 4. In an RC high-pass filter, the output is taken across the resistor and the output leads the input.
Options- A. True
- B. False Discuss
- 5. If a conductor is moved back and forth at a constant rate in a constant magnetic field, the voltage in the conductor will reverse polarity.
Options- A. True
- B. False Discuss
- 6. Three 47 Ω resistors are connected in parallel across a 110 volt source. The current drawn from the source is approximately
Options- A. 2.3 A
- B. 780 mA
- C. 47 mA
- D. 7.06 A Discuss
- 7. In an RL differentiating circuit, the output voltage is taken across the resistor.
Options- A. True
- B. False Discuss
- 8. The parallel combination of a 470 Ω resistor and a 1.2 kΩ resistor is in series with the parallel combination of three 3 kΩ resistors. A 200 V source is connected across the circuit. The resistor with the most current has a value of
Options- A. 470 Ω or 1.2 kΩ
- B. 3 kΩ
- C. 470 Ω
- D. 1.2 kΩ Discuss
- 9. A single-phase sinusoidal voltage of 120 V is connected to a 90 Ω load. Current in the circuit is
Options- A. 13.3 mA
- B. 133 mA
- C. 1.33 A
- D. 6.2 A Discuss
- 10. The unit for reluctance is
Options- A. tesla
- B. At/Wb
- C. At/m
- D. Wb Discuss
More questions
Correct Answer: 26.0 V
Correct Answer: 3,617 Hz
Correct Answer: 10.9 V
Correct Answer: True
Correct Answer: True
Correct Answer: 7.06 A
Correct Answer: False
Correct Answer: 470 Ω
Correct Answer: 1.33 A
Correct Answer: At/Wb
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