level 4

The motion of a current carrying conductor in an magnetic fields can be determined by

• Right hand Grip Rule

• Fleming’s Left Hand Rule

• Direction of current flow

Which of the following materials are not used for the transmission and distribution of electrical power

• Steel

• Tungsten

• Copper

Which of these is the correct equation for calculating electrical power?

• P = IV

• P = I/V

• P = IR²

Which of these equations correctly links potential differences and number of turns on the coils in transformers?

• Vs Vp = Ns Np

• Vp/Np = Vs/Ns

• Vp/Vs = Np/Ns

What kind of transformer converts 230,000 V into 11,500 V?

• Step up

• Step out

• Step down