Basics of Electronics Workshop_ Lab Exam

How many connections does a potentiometer have ______

Which of the following is a passive device

• Transistor

• Rectifier

• Capacitor

• Vacuum tube

Write the full form of the following:

DSO: __________________

Which semi-conductor device glows red, yellow, or green, depending upon its chemical composition?

• Light-emitting diode

• A fluorescent bulb

• Zener diode

• Vacuum diode

The clipping of the sinewave observed in DSO happens

• If you set the volts/div too low

• If you set the sec/div too low

• If you set volts/div too high

• If you set sec/div too high

Forward bias voltage of a Germanium diode is :

• 1.5 V

• 0.7 V

• 0.3 V

• 1 V

What is the color code for a 5KΩ, tolerance ± 5% resistor?

• 1. Green, Black, Red, Silver

• 1. Green, Brown, Orange, Gold

• 1. Green, Black, Red, Gold

• 1. Green, Brown, Red, Gold

What is the tolerance of a 3 band resistor?

• 1. ±0.1%

• 1. ±20%

• 1. ±0.5%

• 1. ±.25%

Value of the capacitor is