IEE-QUIZ3

The unit of current is

• Joule

• Coulumb

• Volt

• Ampere

once the potential difference between two points has been reduced to zero, the flow of electrons will

• stop

• increase

• ionize

• become unstable

Usually used in single-phase service drop conductors, between the power pole and weather heads.

• Triplex Wires

• Main Feeder Wires

• Panel Feed Wires

• Non-Metallic Sheathed Wires

the electrical energy consumed by a circuit is a product of the

• power and time

• voltage and current

• voltage and resistance

• power and voltage

the current, in amperes that a conductor can carry continuously under the conditions of use without exceeding its temperature rating

• ampacity

• voltage

• capacity

• resistivity

Electromotive force is

• MEASURED IN AMPERES AND FLOWS THROUGH A CIRCUIT

• THE FORCE OF MOTION THAT PREVENTS MOVEMENT OF ELECTRONS

• THE ELECTRICAL PRESSURE THAT CAUSES A CURRENT FLOW

• THE OPPOSITION TO CURRENT FLOW IN AN ELECTRIC CIRCUIT

these are used as protectors because they provide safety against sound, electricity and heat

• inductors

• capacitors

• insulators

• none of the above

an elecron flow can only occur if a conducting path exist between two bodies and if there is a sufficient difference in potential between those bodies to cause an electron flow. The force that causes electron to flow is called

• Electromotive force

• tangential force

• mechanical force

• magnetomotive force

In a circuit, conventional current flow is said to go from

• positive to positive

• negative to negative

• negative to positive

• positive to negative

They are capable to carry out electricity as they permit flow electrons within them very simply

• Conductors

• Gold

• Water

• Insulators