UJT Structure Characteristics Quiz

What is the basic operation of a UJT?

• Demodulation

• Relaxation oscillator

• Rectification

• Amplification

How does a UJT behave during the negative resistance region?

• Voltage regulator

• Digital-to-analog converter

• Voltage-controlled oscillator

• Current-controlled oscillator

What are the characteristic curves of a UJT?

• Maximum voltage, minimum voltage, and extrinsic standoff ratio

• Threshold voltage, saturation voltage, and breakdown voltage

• Forward voltage, reverse voltage, and breakdown voltage

• Valley point voltage, peak point voltage, and intrinsic standoff ratio

Explain the relationship between voltage and current in a UJT characteristic curve.

• Non-linear

• Voltage and current are not related

• Voltage decreases as current increases

• Voltage increases as current increases

Name one application of UJT in electronic circuits.

• Relaxation oscillators

• Voltage regulators

• Logic gates

• Amplifiers

How is a UJT used in a relaxation oscillator?

• Applying a constant voltage to generate a periodic output signal

• Using a resistor to generate a periodic output signal

• Using a diode to generate a periodic output signal

• Charging and discharging a capacitor to generate a periodic output signal

What is one advantage of using UJT in electronic circuits?

• Can be used as a paperweight

• Emits a pleasant aroma

• Can be used as a toaster

• Can be used as a relaxation oscillator

What is one disadvantage of using UJT in electronic circuits?

• Wide range of applications

• Low cost

• High stability

• Sensitivity to temperature variations