Free Printable Basics of Electronics Workshop

1.

How many connections does a potentiometer have (a)

2.

Which of the following is a passive device

a)

Transistor

b)

Rectifier

c)

Capacitor

d)

Vacuum tube

3.

Write the full form of the following:

DSO: (a)

4.

Make the following conversions:

a) 15 nF to (a) $\mu$ F.

5.

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

a)

Light-emitting diode

b)

A fluorescent bulb

c)

Zener diode

d)

Vacuum diode

6.

The clipping of the sinewave observed in DSO happens

a)

If you set the volts/div too low

b)

If you set the sec/div too low

c)

If you set volts/div too high

d)

If you set sec/div too high

7.

Forward bias voltage of a Germanium diode is :

a)

1.5 V

b)

0.7 V

c)

0.3 V

d)

1 V

8.

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

a)

Green, Black, Red, Silver

b)

Green, Brown, Orange, Gold

c)

Green, Black, Red, Gold

d)

Green, Brown, Red, Gold

9.

What is the tolerance of a 3 band resistor?

a)

±0.1%

b)

±20%

c)

±0.5%

d)

±.25%

10.

Value of the capacitor is

a)

4.7 $\mu F$

b)

47 $\mu F$

c)

470 $\mu F$

d)

0.47 $\mu F$

11.

Identify the correct statement for the component given below

a)

The cathode is longer

b)

The cathode is shorter

c)

Any terminal can be taken as anode and cathode

12.

N resistors having resistance value R are connected in series. What is the equivalent resistance?

a)

R/N

b)

2R

c)

N/R

d)

N*R

13.

The component used in a dc power supply for obtaining a constant dc value at its output is

a)

Capacitor

b)

PNP transistor

c)

Zener Diode

d)

Resistor

14.

The ‘1N’ in a 1N4001 diode stands for

a)

Current rating of 1A

b)

Serial number

c)

Voltage rating of 1V

d)

Single junction

15.

The equipment used to generate sine, triangular or square wave signals is called as (a)

16.

Match the following:

a)

A – 4, B – 3, C – 1, D-2

b)

A – 3, B – 4, C – 1, D – 2

c)

A – 4, B – 3, C – 2, D – 1

d)

A – 1, B – 3, C – 4, D – 2

17.

Out of the following, which one of the diodes is forward biased?

a)

b)

c)

d)

18.

In the circuits given below, the correct full wave rectifier is

a)

b)

c)

d)

Basics of Electronics Workshop_ Lab Exam

Total questions: 18

Worksheet time: 3hrs 20mins

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