PHYSICS Q&A For All Competitive Exam
1. The material is used in making the core of moving coil galvanometer is ↴↴↴
Soft iron
2. Radioactivity was measured by ↴↴↴
"Geiger Muller Counter"
3. Who was the first scientist to suggest that the Earth is a huge magnet ?↴↴↴
Sir William Gilbert
4. Agonic line on magnetic map represent ↴↴↴
Zero angle of declination
5. The line joining the places zero angle of ↴↴↴
Aclinic Line
6. SI unit of magnetic pole strength ↴↴↴
N/T 'or' A.m.
7. Give to Application of eddy current↴↴↴
(i) Induction Furnaces
(ii) Magnetic Brakes
8. Coil of Resistance box made by ↴↴↴
manganin
9. What is Power Factor of AC circuit consisting of pure inductor or capacitor?↴↴↴
ZERO
10. Zener Diode use for↴↴↴
Voltage Regulation
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