Q.1
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
Q.2
A Wheatstone bridge consists of four resistors in parallel.
Q.3
A 12 kΩ resistor, a 15 kΩ resistor, and a 22 kΩ resistor are in series with two 10 kΩ resistors that are in parallel. The source voltage is 75 V. Current through the 15 kΩ resistor is approximately
Q.4
A Wheatstone bridge is often shown in a "diamond" configuration.
Q.5
A certain Wheatstone bridge has the following resistor values: R1 = 10 kΩ, R2 = 720 Ω, and R4 = 2.4 kΩ. The unknown resistance is
Q.6
Using Kirchhoff's voltage law, you can find the voltages across certain parts of a series-parallel circuit.
Q.7
In a certain five-step R/2R ladder network, the smallest resistor value is 1 kΩ. The largest value is
Q.8
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
Q.9
A voltage divider consists of two 68 kΩ resistors and a 24 V source. The unknown output voltage is
Q.10
A smaller-value load resistor will cause the output voltage to change more than a larger-value one.
Q.11
A galvanometer is a meter that measures small amounts of voltage.
Q.12
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
Q.13
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)
Q.14
Two equal-value resistors in series will divide the source voltage equally.
Q.15
Using the current-divider formula, you can find the current in any branch of a series-parallel circuit.
Q.16
A resistor ladder network is a special type of series-parallel circuit.
Q.17
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
Q.18
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
Q.19
To derive 18 V and 12 V from a 24 V supply requires a voltage divider with three taps.
Q.20
The higher the range setting, the less the internal resistance and the greater the load effect of the voltmeter on a circuit.
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