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

Related Mcqs:

1. The internal resistance of a 20,000 ohm/volt voltmeter set on its 5 V range is_____________?

   A. 20,000 Ω
   B. 100,000 Ω
   C. 200,000 Ω
   D. 1,000,000 Ω

2. A certain voltage divider consists of two 12 kΩ resistors in series. Which of the following load resistors will have the most effect on the output voltage?

   A. 1 MΩ
   B. 24 kΩ
   C. 18 kΩ
   D. 12 kΩ

3. A certain voltage divider consists of three 1 kΩ resistors in series. Which of the following load resistors will have the least effect on the output voltage?

   A. 1 MΩ
   B. 100 kΩ
   C. 1 kΩ
   D. 330 Ω

4. 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
   B. 6 V
   C. 12 V
   D. 5.7 V

5. A series resonant band-stop filter consists of a 68 Ω resistor, a 110 mH coil, and a 0.02 µF capacitor. The internal resistance, RW, of the coil is 4 Ω. Input voltage is 200 mV. Output voltage is taken across the coil and capacitor in series. What is the output voltage magnitude at f0?

   A. 1.1 mV
   B. 11.1 mV
   C. 111 mV
   D. 200 mV

6. A series resonant band-pass filter consists of a 2 mH coil, a 0.005 µF capacitor, and a 120 Ω resistor. The winding resistance of the coil is 12 Ω. The output voltage is taken off the resistor. Input voltage is 12 Vrms. What is the output voltage magnitude at the center frequency (f0)?

   A. 10.9 V
   B. 1.09 V
   C. 1.1 V
   D. 12 V

7. In a CE amplifier, the phase difference between voltage across collector load RC and signal voltage is _________________?

   A. 180o
   B. 270o
   C. 90o
   D. 0o

8. When a Wheatstone bridge is in a balanced condition, the center voltmeter in the bridge will read_____________?

   A. twice the source voltage
   B. half the source voltage
   C. zero volts
   D. the same as the source voltage

9. Which quantity should be measured by the voltmeter ?

   A. Current
   B. Voltage
   C. Power
   D. Speed

10. 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)___________?

    A. 6.8 kΩ
    B. 2.2 kΩ
    C. 6.8 kΩ and 10 kΩ
    D. 2.2 kΩ and 1 kΩ