Unit 103: Electrical scientific principles and technologies

• 0.375

• 2.67

• 0.725

• 0.4

13m of a 50m drum of cable is used. What is the percentage left on the drum?

• 26%

• 50%

• 74%

• 13%

How can 25kV be expressed in a different way?

23mA can also be shown as how?

• 23 ×10^3A

• 23 ×10^6A

What is the missing side of the triangle shown below?

• 7.5

• 9.3

• 6.9

• 9.5

What formula will give the value of the hypotenuse of the triangle below?

• h = 5.2 \times \sin 36

What formula will give the angle indicated, θ, in the triangle shown?

What is the value of the resistance, R, in the triangle below?

• 7Ω

• 5.3Ω

• 3.8Ω

• 6Ω