2365 Level 2 Electrical, Unit 202

Work done is calculated by Multiplying......

• Distance x Time

• Distance x Mass

• Force x Velocity

• Force x Distance

The SI unit for power is?

• Volt

• Watt

• Ohm

• Amp

Electric current is the movement of?

• Atoms

• Neutrons

• Electrons

• Protons

What one of the following is used to determine the resistance in an electrical circuit?

• Amps / Watts

• Volts x Amps

• Watts x Amps

• Volts / Amps

An electric motor supplies 4kw of power when operating at an efficiency of 80%. How much power does the motor itself intake

• 3.2kw

• 5kw

• 20kw

• 80kw

Which of the following does NOT conduct electricity?

• Brass

• Aluminium

• PVC

• Copper

A typical insulator for an 11kv overhead line would be?

• Rubber

• Mica

• Oil

• Glass

Conducting materials contain electrons which are......

• Freely displaced

• Tightly healed together

• Positively charged

• Collected from the atmosphere

The electrical energy supplied by a lead acid battery is produced by a?

• Chemical action

• Magnetic action

• Thermal action

• Mechanical action

which of the following has the lowest resistivity?

• Aluminium

• Copper

• Steel

• Lead