Free Printable basic electronics

1.

. a volt meter is used:

a)

a. to measure current

b)

b. in series with the circuit

c)

c. in parallel with the circuit

d)

d. to measure coulombs

2.

what are the unit symbol for current?

a)

a. Ampere, A

b)

b. Coulomb, I

c)

c. Ampere, Q

d)

d. Ampere, I

3.

Which part of an atom has no electrical charge?

a)

a. Electron

b)

b. Neutron

c)

c. Proton

d)

d. All of the above

4.

Which voltage source converts chemical energy to electrical energy?

a)

a. Electrical generator

b)

b. Battery

c)

c. Solar cell

d)

d. Electronic power supply

5.

A switch is a device that:

a)

a. short circuits complex circuits

b)

b. holds a fuse

c)

c. has double poles

d)

d. opens or completes a current path

6.

The term used to designate electrical pressure is:

a)

a. voltage

b)

b. current

c)

c. resistance

d)

d. conductance

7.

Which electronics material opposes the movement of free electrons?

a)

a. Conductor

b)

b. Insulator

c)

c. Semiconductor

d)

d. Element

8.

Current is considered as the movement of:

a)

a. protons

b)

b. electrons

c)

c. charge

d)

d. nuclei

9.

A basic electric circuit is made up of what components?

a)

a. A load, a resistor, and a conductive path for current

b)

b. A voltage source, a load, and a conductive path for current

c)

c. A voltage source, a conductive path for current, and a battery

d)

d. A conductive path for current, a battery, and a copper wire

10.

All matter is composed of?

a)

a. electrons, neutrons, and protons

b)

b. two protons for each neutron

c)

c. two protons for each electron

d)

d. electrons, neutrons, and charged ions

11.

Which electromagnetic device has a movable iron core called a plunger?

a)

a. A speaker

b)

b. A dc generator

c)

c. A relay

d)

d. A solenoid

12.

Current is:

a)

a. the presence of a positive charge

b)

b. the presence of a positive charge

c)

c. the movement of electrons

d)

d. the repulsion of electrons

13.

What do you call a diagram that shows the electrical connections of a circuit's components?

a)

a. A schematic diagram

b)

b. A pictorial diagram

c)

c. A block diagram

d)

d. An electrical diagram

14.

Which of the following statements is true about magnet?

a)

a. Unlike charges repel and like charges attract.

b)

b. Like charges repel and unlike charges attract

c)

c. Unlike charges attract and like charges attract.

d)

d. Like charges repel and unlike charges repel.

15.

A parallel circuit differs from a series circuit in that a parallel circuit has:

a)

a. no path for current flow

b)

b. fewer paths for current flow

c)

c. one path for current flow

d)

d. more than one path for current flow

16.

Ohm's law is a relationship between:

a)

a. voltage, current, and time

b)

b. power, current, and resistance

c)

c. resistance, time, and current

d)

d. voltage, current, and resistance

17.

Continuity in the field windings can be tested in which device?

a)

a. Voltmeter

b)

b. Multimeter

c)

c. Galvanometer

d)

d. Ammeter

18.

How many cells are used in a 12 volt car battery?

a)

a. 2

b)

b. 4

c)

c. 6

d)

d. 8

19.

The capacity of a battery is usually expressed in terms of

a)

a. Volts

b)

b. Amperes

c)

c. Weight

d)

d. Ampere hours

20.

Resistance to the flow of current through a conductor is measured in units called.

a)

a. Ohms

b)

b. Volts

c)

c. Ampere

d)

d. Watt

basic electronics

Total questions: 20

Worksheet time: 10mins

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