EEE :: Series - Parallel Circuits
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The internal resistance of a 20,000 ohm/volt voltmeter set on its 5 V range is
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Two 1.2 k
resistors are in series and this series combination is in parallel with a 3.3 k resistor. The total resistance is -
The output of a certain voltage divider is 12 V with no load. When a load is connected, the output voltage
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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? -
A voltage divider consists of two 68 k
resistors and a 24 V source. The unknown output voltage is -
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 certain voltage divider consists of three 1 k
resistors in series. Which of the following load resistors will have the least effect on the output voltage? -
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 -
A certain Wheatstone bridge has the following resistor values: R1 = 10 k
, R2 = 720 , and R4 = 2.4 k. The unknown resistance is -
On which of the following voltage range settings will a voltmeter present the minimum load on a circuit?
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A