Electrical Engineering MCQs

Page No. 13

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___________?


a1,650 Ω


b1,078 Ω


c77.8 Ω


d 778 Ω


View Answer 778 Ω

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__________?


a25 %


b 20 %


c100 %


d50 %


View Answer 20 %

On which of the following voltage range settings will a voltmeter present the minimum load on a circuit?


a1 V


b50 V


c500 V


d1,000 V


View Answer 1,000 V

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)___________?


a6.8 kΩ


b2.2 kΩ


c6.8 kΩ and 10 kΩ


d 2.2 kΩ and 1 kΩ


View Answer 6.8 kΩ and 10 kΩ

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____________?


a470 Ω or 1.2 kΩ


b3 kΩ


c470 Ω


d1.2 kΩ


View Answer 470 Ω

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


a680 Ω


b1,029 Ω


c200 Ω


d 880 Ω


View Answer 1,029 Ω

In a certain five-step R/2R ladder network, the smallest resistor value is 1 kΩ. The largest value is___________?


a Indeterminable


b2 kΩ


c 10 kΩ


d20 kΩ


View Answer 2 kΩ

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___________?


a900 μA


b9 mA


c90 mA


d 800 μA


View Answer 900 μA

A voltage divider consists of two 100 kΩ resistors and a 12 V source. What will the output voltage be if a load resistor of 1 MΩ is connected to the output?


a 0.57 V


b6 V


c12 V


d5.7 V


View Answer 5.7 V

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


a24 V


b12 V


c0 V


d6 V


View Answer 24 V

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