Electric current and its effect

1.An electric current can produce

• heating effect only.

• chemical effect only.

• magnetic effect only.

• chemical, heating, and magnetic effects.

Tags

NGSS.HS-PS2-5

Which one of the following solutions will not conduct electricity?

• lemon juice

• vinegar

• tap water

• vegetable oil

Small amount of a mineral salt present naturally in water makes it a______________ of electricity.

• insulator

• conductor

• both a and b

• none of these

An electrolyte is

• a metal

• a solution

• a liquid that conducts current

• all of above

Tags

NGSS.HS-PS2-5

Flow of electron is called

• Electroplating

• Electric current

• Electrodes

• Electrolyte

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

What is this?

• Battery

• Electromagnet

• Soleoid

• Solenoid

What does a fuse do?

• Melt down for no reason.

• Stop electricity

• Stop excessive electricity

What are incandescent bulbs?

• Bulbs with mercury vapour

• Bulbs tungsten filament

• Bulbs with light emitting diodes

What is the full form of the ISI mark?

• Indian standard institution

• India standards institutions

• Indian Standards institution

Who developed the ISI mark?

• Bureau of India standard

• Bureau Indian standards

• Bureau India standard

• Bureau of Indian Standards