DDT Is Banned in Most Countries but Is Still Widely

question 27

True/False

DDT is banned in most countries but is still widely used for malaria control.

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Definitions:

Voltage Regulator

A device within an electrical system that maintains the output voltage at a constant level despite changes in load or input voltage.

Field Current

The electric current that flows through the winding of a generator or motor, generating a magnetic field necessary for their operations.

Brushes

Stationary devices used to conduct current to or from a rotor in electrical components such as alternators and motors.

Slip Rings

Stationary devices used to conduct current to an alternator rotor.