Which of the following does not pollute the air?

Related Mcqs:

How many bones in our body?

A. 102 B. 306 C. 206 D. 204...

kilohertz (kHz) is a unit which measures?

A. Power used by a current of one ampere B. Electromagnetic radio wave frequencies C. Voltage D. Electric resistance...

The heart of normal adult human being weighs about ? (FPSC 2019)

1- 200 gram 2- 300 gram 3- 400 gram 4-Non of theses  ...

Which of the following circuit elements is used to ‘block’ DC in an electronic circuit ?

Resistances Capacitance Inductance Diode...

Washing machine is working on the principle of?

A.Photoelectric effect  B.Electricmagnetic induction C.Centrifugation D.None of these  ...