?Good resistance coils are made of
1). ?Copper
2). manganin
3). gold?
4). silver
1. Which one of the following is used for sun glasses
3. Light year is a measurement of-
4. Which among the following is false about displacement?
5. Magnetism in materials is due to
6. Which statement best describes an igneous intrusion?
7. An egg sinks in soft water but floats in a concentrated solution of salt because
8. What is the name of the device used to convert alternating current into direct current ?
9. A vacuum cleaner works on the principle of pressure difference. On the moon it will
10. Which of the following instrument is used to measure Soil Water Tension?