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Series Parallel Circuits Mcqs

Q.1: A voltage divider consists of two 68 k resistors and a 24 V source. The unknown output voltage is______________?r

A. 12 V

B. 24 V

C. 0 V

D. 6 V

Q.2: A 12 k resistor, a 15 k resistor, and a 22 k resistor are in series with two 10 k resistors that are in parallel. The source voltage is 75 V. Current through the 15 k resistor is approximately___________?

A. 14 mA

B. 1.4 mA

C. 5 mA

D. 50 mA

Q.3: A certain Wheatstone bridge has the following resistor values: R1 = 10 k, R2 = 720 , and R4 = 2.4 k. The unknown resistance is_____________?

A. 24

B. 2.4

C. 300

D. 3,000

Q.4: A certain circuit is composed of two parallel resistors. The total resistance is 1,403 . One of the resistors is 2 k. The other resistor value is____________?

A. 1,403

B. 4.7 k

C. 2 k

D. 3,403

Q.5: Two 3.3 k resistors are in series and this series combination is in parallel with a 4.7 k resistor. The voltage across one of the 3.3 k resistors is 12 V. The voltage across the 4.7 k resistor is_________?

A. 24 V

B. 12 V

C. 0 V

D. 6 V

Q.6: A voltage divider consists of two 100 k resistors and a 12 V source. What will the output voltage be if a load resistor of 1 M is connected to the output?

A. 0.57 V

B. 6 V

C. 12 V

D. 5.7 V

Q.7: Three 10 k resistors are connected in series. A 20 k resistor is connected in parallel across one of the 10 k resistors. The voltage source is 24 V. The total current in the circuit is___________?

A. 900 A

B. 9 mA

C. 90 mA

D. 800 A

Q.8: In a certain five-step R/2R ladder network, the smallest resistor value is 1 k. The largest value is___________?r

A. Indeterminable

B. 2 k

C. 10 k

D. 20 k

Q.9: A balanced Wheatstone bridge consists of an RV of 3,500 , an R2 of 200 , and an R3 of 680 . The value of RUNK is____________?

A. 680

B. 1,029

C. 200

D. 880

Q.10: The parallel combination of a 470 resistor and a 1.2 k resistor is in series with the parallel combination of three 3 k resistors. A 200 V source is connected across the circuit. The resistor with the most current has a value of____________?

A. 470 or 1.2 k

B. 3 k

C. 470

D. 1.2 k