Topic 53 · Electrical Engineering and Electronics

Electrical Engineering and Electronics. Part 1: Electricity and Circuits.

electric current

voltage

resistance

circuit

conductor

insulator

power supply

switch

fuse

ground

a volt

a hertz

an LED

a circuit diagram

an overhead line

Useful phrases.

Electric current flows through a closed circuit.

Copper is a good conductor of electricity.

An insulator helps protect people from electric shock.

A fuse can stop the circuit when there is a problem.

Electrical Engineering and Electronics. Part 2: Components and Tools.

resistor

capacitor

diode

transistor

circuit board

multimeter

wire

soldering iron

pliers

connector

an ampere

AC/DC

a bulb

an oscilloscope

a microcontroller

Useful phrases.

A resistor limits the electric current in a circuit.

We use a multimeter to measure voltage and resistance.

The technician solders the wire to the circuit board.

Check that every connector is attached correctly.

Electrical Engineering and Electronics. Part 3: Electrical Installations and Safety.

electrical installation

outlet

plug

cable

circuit breaker

distribution board

short circuit

overload

electric shock

protective equipment

an ohm

a transformer

a semiconductor

high voltage

a PLC

Useful phrases.

An outlet must be installed and checked by a qualified electrician.

A circuit breaker protects the installation from an overload.

Never work on a live cable without proper training.

Protective equipment reduces the risk of electric shock.

Electrical Engineering and Electronics. Part 4: Measurement and Control.

measure

signal

sensor

relay

controller

automatic system

actuator

fault

calibrate

a watt

a generator

a series circuit

low voltage

a distribution board

a breaker panel

Useful phrases.

A sensor detects a change and sends a signal to the controller.

The relay can switch a circuit on or off.

We test the system before we put it into operation.

The technician calibrates the instrument for accurate measurement.

Electrical Engineering and Electronics. Part 5: Electronics in Daily Life and Careers.

electronic device

repair

manual

diagnose

electrician

electrical engineer

maintenance

energy-efficient

smart home

reliable

a kilowatt-hour

a battery

a parallel circuit

three-phase

Useful phrases.

An electrician installs and repairs electrical equipment.

The technician uses the manual to diagnose the fault.

Smart home systems can control lights, heating, and security.

Energy-efficient devices can reduce electricity use.