7290-457 Lesson 1

Amp - amount of pressure produced by volt is called a what?

• Ohm

• Amp

• Watt

• Current

Resistance of a component is measured in what?

• Multimeters

• Ohms

• Volts

• Amps

If electricity flow regularly change direction it is known as?

• Alternating

• Direct

• Parallel

• Series

What are the Axis of a graph known as?

• Y Up and down, Z left to right

• A Up and Down, B left to right

• X left to right, Y up and down.

• X up & down, Y left to right.

If your multi-meter displayed 0.00 Ohms this would mean?

• Short circuit

• Open circuit

• Parallel circuit

• Series circuit

Multimeter displays 0.L. would indicate

• Flat battery

• Short circuit

• Over voltage

• Open circuit

A low resistance material that allows current flowin any direction is?

• Conductor

• Insulator

• Diodes

• DC insulator

Which type of wave form is produced by AC?

• Square wave

• Tidal wave

• Micro wave

• Sine wave

What protects a circuit from current over load?

• Insulator

• Resistor

• Fuse

• Thick cables

DIN 72552 classifies wiring terminal connections, what does 15 represent?

• Earth Output

• Earth Return

• Battery Live

• Ignition Live