Electric current and its Effects

Which is this type of circuit?

• Open circuit

• Closed circuit

• Both of these

• None of these

This symbol represents a

• electric cell

• wire

• battery

• bulb

A combination of 2 or more cells is called a ?

• Electric cell

• Battery

• None of these

• All of these

A fuse wire is an alloy of ________ and _______ .

• Steel and copper

• iron and nickel

• lead and tin

• cobalt and iron

This is a ________________ fuse ?

• Plug

• Cartridge

• MCB

Full form of MCB is ?

• Miniature Circuit Breaker

• Minute Circuit Builder

• Both of these

• None of these

Which is a plug fuse among these ?

• 
• 
• 

Which is the type of circuit shown here ?

• Open circuit

• Closed circuit

• None of these

this is the symbol for a ___________.

• electric cell

• electric bulb

• switch ' ON '

• switch 'OFF'

find the incorrect statement.

• Closed circuit means a complete electrical connection around which current flows or circulates.

• A key or a switch can be placed only at a specific place in a circuit

• Never touch a lighted electric bulb connected to the mains .

• one reason for excessive currents in electrical circuits is the direct touching of wires