Exam: IELTS

Definition: To break down a substance into its components using an electric current.

Example: Scientists can electrolyze water to separate it into hydrogen and oxygen gases.

Definition: A type of magnet that becomes magnetized when electricity flows through a wire coil wrapped around a core, usually made of iron.

Example: The engineer used an electromagnet to lift heavy metal objects in the factory.

Definition: Relating to or produced by the interaction of electric and magnetic fields.

Example: The electromagnetic waves travel through space at the speed of light.

Definition: A device used to measure electrical voltage or potential differences between charged objects.

Example: The scientist used an electrometer to measure the voltage in the circuit.

Definition: A record that shows the electrical activity of a muscle, created by a device called an electromyograph.

Example: The doctor reviewed the electromyogram to assess the patient's muscle function.

Definition: A device that records the electrical activity of muscles, often used to diagnose muscle and nerve disorders.

Example: The doctor used an electromyograph to check the patient's muscle function.

Definition: A very small particle that has a negative electric charge and is found in atoms. Electrons are important for electricity and chemical reactions.

Example: Electrons move around the nucleus of an atom and play a key role in electricity.

Definition: Having a tendency to attract electrons in a chemical bond, often resulting in a negative charge.

Example: Fluorine is the most electronegative element on the periodic table.

Definition: Relating to devices or systems that use electricity and electronic technology, often involving computers or digital processes.

Example: Many people use electronic devices like smartphones and tablets every day.

Definition: In a way that involves the use of electronic devices or technology.

Example: The documents were submitted electronically to save time.