Diode Characteristics Quiz

What is the purpose of the rheostat in the diode characteristics experiment?

• To measure the current

• To act as a potential divider

• To provide a constant voltage

• To connect the voltmeter and ammeter

At what forward-bias voltage does the milliammeter first record a small current?

• 0.2 V

• 0.4 V

• 0.6 V

• 0.8 V

What is the current reading when the forward-bias voltage is increased to 0.6 V?

• 5 mA

• 2 mA

• 1 mA

• 0.5 mA

What happens to the current when the forward-bias voltage reaches 1.6 V?

• The current increases suddenly

• The current becomes zero

• The current remains the same

• The current decreases

What should be plotted on the X-axis of the graph in the diode characteristics experiment?

• Power

• Resistance

• Voltage (Vf)

• Current (If)