AREA-3

Question 1

the amount of electrical charge on a single electron

Answer 1

Elementary charge unit (ECU)

Question 2

used to measure quantity of electric charge; approximately equal to 6.24 x 1018 ECU.

Answer 2

Coulomb (C)

Question 3

materials having an intermediate resistance to electron flow; usually used in construction of solid-state electronic devices such as diodes and transistors

Answer 3

Semi-conductors

Question 4

Is the reciprocal of resistance

Answer 4

Conductance (measured in mhos)

Question 5

a phenomenon when conductors lose their resistance in extreme cold

Answer 5

superconductivity

Question 6

Power factor for electric motors is between

Answer 6

0.6 to 0.8

Question 7

Current in AC circuit with pure inductance will
lag the voltage by

Answer 7

90 degrees

Question 8

In an AC circuit with pure capacitance loading,
the current will lead the voltage by

Answer 8

90 degrees

Question 9

is a measure of how much counter emf is generated in a circuit or component for a change in current through that circuit or component.

Answer 9

inductance