CETa Study Guide Complete Solutions
1. Full Wavelength in Air for RF Frequency
8.33 meters is the full wavelength in air for what RF frequency?
✅ 36 MHz
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2. Decimal to Binary Conversion
Decimal 164 would appear as what in binary?
✅ 10100100
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3. Resistor Color Stripes
A resistor has color stripes yellow, violet, violet, silver. It is?
✅ 470 MegOhm +/- 10%
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4. Total Capacitance in Series
What is the total capacitance of three capacitors valued at 100µF, 100µF, and 50µF when connected in
series?
✅ 25 µF
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5. Ripple Frequency of Bridge Rectifier
,What is the ripple frequency of a full wave single-phase bridge rectifier operated at 60 Hz?
✅ 120 Hz
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6. Sensor that Emits Voltage when Heated or Cooled
What emits a voltage when heated or cooled?
✅ Thermocouple
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7. Binary Addition
Adding the binary numbers 101011 and 001110 will give you what result?
✅ 111001
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8. Component with Negative Temperature Coefficient
A component that reduces in resistance as it is heated.
✅ A negative temperature coefficient thermistor
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9. Autotransformer Description
An autotransformer?
✅ has a single winding.
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, 10. Dual Trace Oscilloscope
A dual trace oscilloscope differs from a single trace in that only the dual trace scope:
✅ alternates sweeps.
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11. RF Signal Voltage Reduction
If an RF signal Voltage is reduced by 6dB it is then:
✅ half the original size.
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12. Forward Biasing a Germanium Diode
Applying positive voltage to the P end and negative to the N end of a germanium diode:
✅ will forward bias it.
---
13. Choosing Digital VOM
You would probably prefer a digital VOM over an ordinary analog meter:
✅ for most accuracy.
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14. Frequency Response of Video Amplifier
You should expect the video amplifier in a radar or TV receiver to have a frequency response of:
✅ 0-6 MHz.
1. Full Wavelength in Air for RF Frequency
8.33 meters is the full wavelength in air for what RF frequency?
✅ 36 MHz
---
2. Decimal to Binary Conversion
Decimal 164 would appear as what in binary?
✅ 10100100
---
3. Resistor Color Stripes
A resistor has color stripes yellow, violet, violet, silver. It is?
✅ 470 MegOhm +/- 10%
---
4. Total Capacitance in Series
What is the total capacitance of three capacitors valued at 100µF, 100µF, and 50µF when connected in
series?
✅ 25 µF
---
5. Ripple Frequency of Bridge Rectifier
,What is the ripple frequency of a full wave single-phase bridge rectifier operated at 60 Hz?
✅ 120 Hz
---
6. Sensor that Emits Voltage when Heated or Cooled
What emits a voltage when heated or cooled?
✅ Thermocouple
---
7. Binary Addition
Adding the binary numbers 101011 and 001110 will give you what result?
✅ 111001
---
8. Component with Negative Temperature Coefficient
A component that reduces in resistance as it is heated.
✅ A negative temperature coefficient thermistor
---
9. Autotransformer Description
An autotransformer?
✅ has a single winding.
---
, 10. Dual Trace Oscilloscope
A dual trace oscilloscope differs from a single trace in that only the dual trace scope:
✅ alternates sweeps.
---
11. RF Signal Voltage Reduction
If an RF signal Voltage is reduced by 6dB it is then:
✅ half the original size.
---
12. Forward Biasing a Germanium Diode
Applying positive voltage to the P end and negative to the N end of a germanium diode:
✅ will forward bias it.
---
13. Choosing Digital VOM
You would probably prefer a digital VOM over an ordinary analog meter:
✅ for most accuracy.
---
14. Frequency Response of Video Amplifier
You should expect the video amplifier in a radar or TV receiver to have a frequency response of:
✅ 0-6 MHz.
