A certain Wheatstone bridge has the following resistor values: R1 = 10 k, R2 = 720 , and R4 = 2.4 k. The unknown resistance is 3000 300 24 2.4 TRUE ANSWER : ? YOUR ANSWER : ?
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 3 k 470 or 1.2 k 470 1.2 k TRUE ANSWER : ? YOUR ANSWER : ?
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 14 mA 1.4 mA 5 mA 50 mA TRUE ANSWER : ? YOUR ANSWER : ?
The parallel combination of a 470 resistor and a 1.5 k resistor is in series with the parallel combination of five 1 k resistors. The source voltage is 50 V. The percentage of the load current through any single 1 k resistor is 50% 20% 100% 25% TRUE ANSWER : ? YOUR ANSWER : ?
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 200 1029 680 880 TRUE ANSWER : ? YOUR ANSWER : ?
The parallel combination of a 6.8 k resistor and a 10 k resistor is in series with the parallel combination of a 2.2 k resistor and a 1 k resistor. A 100 V source is connected across the circuit. The resistor(s) with the greatest voltage drop is (are) 2.2 k 2.2 k and 1 k 6.8 k and 10 k 6.8 k TRUE ANSWER : ? YOUR ANSWER : ?
A certain voltage divider consists of two 12 k resistors in series. Which of the following load resistors will have the most effect on the output voltage? 12 k 24 k 1 M 18 k TRUE ANSWER : ? YOUR ANSWER : ?
The internal resistance of a 20,000 ohm/volt voltmeter set on its 5 V range is 20000 100000 1000000 200000 TRUE ANSWER : ? YOUR ANSWER : ?
The output of a certain voltage divider is 12 V with no load. When a load is connected, the output voltage becomes zero decreases remains the same increases TRUE ANSWER : ? YOUR ANSWER : ?
In a certain five-step R/2R ladder network, the smallest resistor value is 1 k. The largest value is 2 k indeterminable 10 k 20 k TRUE ANSWER : ? YOUR ANSWER : ?