WE quiz

Which material is used as a filament in bulb.

• Iron

• Copper

• Tungsten

• Nichrome

Which material is used as a heating element of electric iron

• Tungsten

• Nichrome

• Copper

• Iron

How many terminals are there in 555timer IC?

• 4

• 6

• 8

• 10

Subject work education comes under which catagory?

• Scholestic subject

• Co scholestic subject

• Non of these

• Both

Domestic electric supply is

• Alternating current (AC)

• Direct current (DC)

• Both

• Non of these

What is the unit of frequency?

• Volt

• Watt

• Hearts

• Ampere

What is the unit of electric power?

• Watt

• Volt

• Ampere

• Newton

What is the commercial unit of electric energy?

• KWH (Unit)

• Volt

• Watt

• Newton meter

Which one is not electrical tool?

• Spanner

• Continuity tester

• Multimeter

• Volt meter

What is the polarity of electron

• Negative

• Positive

• Neutral

• Non of these