Unit 107 Electrical science and technology

Tera

10 to the power of 12

Kilo

10 to the power of 3

Mega

10 to the power of 6

Giga

10 to the power of 9

The value of power, if a current of 2 amps flows when a voltage of 100 volts is applied to a resistor, is

200 watts

If a current of 2 amps flows when a voltage of 100 volts is applied to a resistor, the resistance will be

50 Ohms

A material with a low resistance is said to be

A good conductor

The three effects of an electric current are

Chemical, magnetic, thermal

Electrical charges unit of measure?

Coulomb

Ampere

Current

Electric current is a flow of

Electrons

Metre

Length

Kilogram

Mass

10 to the - 6 can be represented by the sub multiple

Micro

10 to the - 3 can be represented by the sub multiple

Mili

Volt

PD/emf

Watt

Power

Seconds

Time

Alternator

a.c.

Transformer

a.c.

Battery

d.c.

Dynamo

d.c.

Voltmeters are connected

in parallel.

Ammeters are connected

in series.