Which one of the following is a poor conductor of heat?

When an object is heated, the molecules that make up the object is

The hotness of the object is determined by it's

Which one of the following is produced in power station?

Name the device which converts chemical energy into electrical energy.

The electric wire which sag in summer become straight in ___________

Which one of the following is used to join two steel plates together?

Temperature of water,in boiling condition is _________.

Which among the following cannot be recharged again.

The combination of two or more cells is called _____________.

_____________ is a good conductor of electricity.

Which one of the following is used to measure temperature accurately?

The unit of heat and temperature are ____________

Thermal expansion is always ________________.

Name the glass which do not expand much on being heated.

Which is the natural source of light?

_______________ are used in mobile phones.

The unit of heat is __________ .

Atomic power station is located in _____________.