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Worksheets

Electronics L2

Total questions: 17

Worksheet time: 9mins

Name
Class
Date
1.

What is a collection of interconnected electrical devices such that charge,usually electrons, can flow through it continuously without beginning or end?

a)

circuit diagram

b)

electric circuit

c)

electronic components

d)

circuit symbols

2.

What is a pictogram used to represent various electrical and electronic devices or functions, such as wires, batteries, etc. in a schematic diagram of an electrical or electronic circuit?

a)

circuit diagram

b)

electric circuit

c)

electronic components

d)

circuit symbols

3.

In Electronics, PCB stands for _________________________.

a)

Printed Circuit Base

b)

Passive Component Board

c)

Printed Connection Board

d)

Printed Circuit Board

4.

What transducer converts electrical energy to kinetic energy (motion)?

a)

buzzer

b)

amplifier

c)

motor

d)

heater

5.

Which component has this as its circuit symbol?

a)

ac supply

b)

dc supply

c)

open switch

d)

closed switch

6.

Which of the following is the symbol for capacitor?

a)
b)
c)
d)
7.

What is the component supplies electrical energy to a circuit, where the current is continually changing direction ?

a)

direct current supply

b)

alternating current supply

c)

battery

d)

power supply

8.

What does this symbol represent?

a)

diode

b)

capacitor

c)

transistor

d)

resistor

9.

What is the new symbol for resistor?

a)
b)
c)
d)
10.

What instrument is used to measure electrical resistance?

a)

galvanometer

b)

ammeter

c)

voltmeter

d)

ohmmeter

11.

Which of the following is a symbol for transistor?

a)
b)
c)
d)
12.

What does LED stand for?

a)

Lamp Emitted Diode

b)

Lighting Emitted Diode

c)

Lamp Emitting Diode

d)

Light Emitting Diode

13.

What transducer converts electrical energy to sound?

a)

buzzer

b)

microphone

c)

amplifier

d)

oscilloscope

14.

What transducer converts electrical energy to heat?

a)

motor

b)

heater

c)

buzzer

d)

solar cell

15.

What is the circuit symbol for battery?

a)
b)
c)
d)
16.

What electrical component may be made to either conduct (closed) or not (open) electric current?

a)

resistor

b)

conducting wire

c)

switch

d)

cell

17.

What component is used to resist or oppose the flow of current?

a)

transistor

b)

capacitor

c)

diode

d)

resistor