Which of the following is a strong electrolyte ?

Electricity can't be used in which if the following appliances ?

______________ refers to resistivity.

Which of the following device converts electrical energy into light energy?

_____________ is a weak electrolyte.

A liquid which can conduct electricity is called _________________

Our body is a ______ conductor of electricity.

Which of the following are correct :

(a) Electricity is used in hair dryer which produce heat.

(b) Electricity is used in bulbs and tube light which produce light.

In which of the following devices electricity is used to produce heat energy ?

Which of the following is not a conductor of electricity?