There is a total of 800 mA of current into four parallel resistors. The currents through three of the resistors are 40 mA, 70 mA, and 200 mA. The current through the fourth resistor is______________?

Related Mcqs:

1. Four resistors are connected in parallel. Fifteen mA flows through resistor R. If the second resistor is 2R, the third resistor 3R, and the fourth resistor 4R, the total current in the circuit is______________?

   A. 60 mA
   B. 15 mA
   C. 135 mA
   D. 31.25 mA

2. 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____________?

   A. 25 mA
   B. 100 mA
   C. 6.25 mA
   D. 200 mA

3. Four equal-value resistors are connected in parallel. Ten volts are applied across the parallel circuit and 2 mA are measured from the source. The value of each resistor is______________?

   A. 12.5 Ω
   B. 200 Ω
   C. 20 KΩ
   D. 50 Ω

4. A 470 Ω resistor, a 220 Ω resistor, and a 100 Ω resistor are all in parallel. The total resistance is approximately________________?

   A. 790 Ω
   B. 470 Ω
   C. 60 Ω
   D. 30 Ω

5. Five 100 Ω resistors are connected in parallel. If one resistor is removed, the total resistance is______________?

   A. 25 Ω
   B. 500 Ω
   C. 100 Ω
   D. 20 Ω

6. The following resistors are in parallel across a voltage source: 220Ω , 470Ω , and 560Ω . The resistor with the least current is______________?

   A. 220 Ω
   B. 470 Ω
   C. 560 Ω
   D. impossible to determine without knowing the voltage

7. The following currents are measured in the same direction in a three-branch parallel circuit: 200 mA, 340 mA, and 700 mA. The value of the current into the junction of these branches is____________?

   A. 200 mA
   B. 540 mA
   C. 1.24 A
   D. 900 mA

8. Six resistors are in parallel. The two lowest-value resistors are both 1.2 kΩ. The total resistance_____________?

   A. is less than 6 kΩ
   B. is greater than 1.2 kΩ
   C. is less than 1.2 kΩ
   D. is less than 600 Ω

9. Six resistors are in parallel. The two lowest-value resistors are both 1.2 kΩ. The total resistance______________?

   A. is less than 6 kΩ
   B. is greater than 1.2 kΩ
   C. is less than 1.2 kΩ
   D. is less than 600 Ω

10. If there are a total of 120 mA into a parallel circuit consisting of three branches, and two of the branch currents are 40 mA and 10 mA, the third branch current is_________________?

    A. 50 mA
    B. 70 mA
    C. 120 mA
    D. 40 mA