With 21 V applied, if R1 = 5 ohms, R2 = 35 ohms, and R3 = 14 ohms, what is the current of R2 if R1 is series connected with parallel circuit R2 and R3?

Related Mcqs:

1. In a series–parallel circuit consisting of R1 and R2 in series and connected in parallel with R3, if R1 opens, then R2‘s voltage will:___________?

   A. increase B. remain the same C. decrease D. cannot tell...

2. Three 10 kΩ resistors are connected in series. A 20 kΩ resistor is connected in parallel across one of the 10 kΩ resistors. The voltage source is 24 V. The total current in the circuit is___________?

   A. 900 μA B. 9 mA C. 90 mA D. 800 μA...

3. 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____________?

   A. 470 Ω or 1.2 kΩ B. 3 kΩ C. 470 Ω D. 1.2 kΩ...

4. The parallel combination of a 6.8 kΩ resistor and a 10 kΩ resistor is in series with the parallel combination of a 2.2 kΩ resistor and a 1 kΩ resistor. A 100 V source is connected across the circuit. The resistor(s) with the greatest voltage drop is (are)___________?

   A. 6.8 kΩ B. 2.2 kΩ C. 6.8 kΩ and 10 kΩ D. 2.2 kΩ and 1 kΩ...

5. If R1 is in series with parallel connected to R2 and R3, what happens to total current if R2 opens?

   A. cannot tell B. remains the same C. increases D. decreases...

6. The parallel combination of a 470 Ω resistor and a 1.5 kΩ resistor is in series with the parallel combination of five 1 kΩ resistors. The source voltage is 50 V. The percentage of the load current through any single 1 KΩ resistor is__________?

   A. 25 % B. 20 % C. 100 % D. 50 %...

7. The parallel combination of a 470 Ω resistor and a 680 Ω resistor is in series with the parallel combination of four 2 kΩ resistors. The total resistance is___________?

   A. 1,650 Ω B. 1,078 Ω C. 77.8 Ω D. 778 Ω...

8. The first goal to accomplish in analyzing a complex series-parallel circuit is to____________?

   A. solve for all the voltage drops B. solve for the total current and resistance C. equate all series components D. equate all parallel components...

9. In a series–parallel circuit, individual component power dissipation are calculated using_____________?

   A. individual component parameters B. a percent of the total power depending on resistor ratios C. total current squared multiplied by the resistor values D. a percent of the voltage division ratio squared...

10. A parallel resonant band-pass filter consists of a 6.8 Ω resistor in series with a parallel network made up of an 8 µH coil and a 120 pF capacitor. The output is taken across the capacitor/coil. Assume RW = 0 Ω. What is the center frequency of the filter?

    A. 5.14 MHz B. 514 kHz C. 5.03 MHz D. 503 kHz...