Ch1 DERS 1113

Who force the electron to flow?

1 Coulumb is equal to

• 6.24 x 10^21 electrons

• 6.24 x 10^18 electrons

• 6.24 x 10^-21 electrons

• 6.24 x 10^-18 electrons

Who force the electrical to flow?

Electron movements create what?

Choose the best possible definition of CONDUCTOR.

• Not allow the current flow in it.

• Material that have a higher resistance.

• Material that have a low resistance.

Choose answer that NOT define the INSULATOR.

• Has high resistance.

• Able to resist current flow.

• Best to use as dielectric.

Electrical power is calculated as P = IV.

• TRUE

• FALSE

Choose the one that NOT explain ACTIVE DEVICE.

• Incapable of provide gain.

• Capable of supplying power.

• Device that produce energy.

Choose the BEST definition of PASSIVE DEVICE.

• capable to supply power.

• capable to store energy.

• capable to provide power gain.

State ONE example of passive device