EEE :: Series  Parallel Circuits

The internal resistance of a 20,000 ohm/volt voltmeter set on its 5 V range is

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

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: R_{1} = 10 k, R_{2} = 720 , and R_{4} = 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?