Circuits and impedance

What is 13MV expressed in standard form?

• 13 x 10⁻⁹
• 13 x 10⁻⁶
• 13 x 10⁶
• 13 x 10⁹

What is the total area of a room measuring 6m by 13m?

• 78m²
• 78m³
• 6084m²
• 6084m³

Calculate the cosᶿ of the triangle shown.

• 76  ◦
• 42  ◦
• 90  ◦
• 26.9  ◦

Transpose the following formula to find length.F = Blv

• vB ÷ F
• FB ÷ v
• FBv
• F ÷ (Bv)

Determine the power required to raise a 500kg load 8m in six minutes.

• 24 kW
• 666W
• 109 W
• 375 W

A wheelbarrow is which of the following?

• First order lever
• Second order lever
• Third order lever
• Fourth order lever

Name the three effects of electrical current.

• Chemical, Thermionic, Thermal
• Magnetic, Chemical, Resistive
• Chemical, Magnetic, Thermal
• Thermal, Thermionic, Resistive

Calculate the Force taken using 1800J of energy to move a load 6m.

• 300 N
• 3.33 N
• 10.8 kN
• 30,000 N

Identify one source of electricity.

• A wattmeter
• An ammeter
• A diode
• A battery

Charge is given the electrical symbol

• V
• R
• C
• Q