3
1-13. If you exceed the frequency limitations
of your voltmeter, which of the following
results is likely?
1. The meter will be destroyed
2. The circuit under test will be
damaged
3. The measurement will be inaccurate
4. The meter will indicate average
voltage
1-14. When performing measurements with an
oscilloscope, you should ensure that the
trace extends across what minimum
portion of the vertical viewing area?
1.
15%
2.
25%
3.
45%
4.
60%
1-15. When using an oscilloscope to measure a
high voltage, you should use which of
the following procedures?
1. Use the logic probe instead of the
normal probe
2. Use the high voltage probe instead of
the normal probe
3. Use two oscilloscopes connected in
series
4. Place a 10-ohm shunt across the
vertical input of the oscilloscope
1-16. Oscilloscopes are normally calibrated to
display which of the following types of
voltages?
1. Peak
2. Average
3. Peak-to-peak
4. Both 2 and 3 above
1-17. When using an oscilloscope to observe a
sine wave, what, if anything, must you
do to determine the rms voltage?
1. Divide the observed peak-to-peak
voltage by 3.65
2. Multiply the observed peak-to-peak
voltage by 2; then divide by 1.414
3. Divide the observed peak-to-peak
voltage by 2; then multiply by 0.707
4. Nothing
1-18. The frequency-measuring capabilities of
a digital multimeter can be extended by
using which of the following devices?
1. An rf probe
2. A frequency doubler
3. A high-voltage probe
4. A frequency divider network
1-19. When performing ac voltage
measurements, you should use which of
the following pieces of equipment to
obtain the most accurate reading?
1. A differential voltmeter
2. An oscilloscope
3. A Simpson 260
4. A wattmeter
1-20. For which of the following purposes
would you connect two ammeters in
parallel?
1. To perform voltage measurements
2. To increase frequency-measuring
capabilities
3. To decrease input impedance
4. To increase input impedance
