mechatronics 1-3 book 2

_______ is an electrical current that regularly changes the direction in which it flows.

___________ is closed system of wires or pipes through which electricity or liquid can flow.

• voltage

• volt

• current

• circuit

Copper has a lower _____________ than aluminium, making it a better conductor of electricity.

• resistance

• charge

• watt

• voltage

The greater the ___________ the greater the flow of electrical current through a system.

• watt

• ohm

• voltage

• current

A reactor is a large machine in which atoms can be either divided or joined in order to generate_________ .

• energy

• physics

• gravity

• motion

Accordign to the laws of g_____ every particle of matter in the universe attracts every other particle.

Mechanics is a branch of physics that is concerned with physical objects in ________ .

• matter

• motion

• speed of light

• energy

The ______ results of the experiment were discouraging, yet the research team continued collecting data, anticipating a confirmation of their hypothesis.

• output

• initial

• input

• final

First the students have to make sure that the mechanism that creates the _______ has enough fuel to function normally.

• resistance

• generation

• driving force

• motion

A unit that measures resistance of a current