1. Magnetic field is always mapped out in the form of magnetic ______
(A) strength
(B) lines of force
(C) area
(D) width
2. Magnetic lines of force always travel from ______
(A) horizontal
(B) axis
(C) south to north
(D) north to south
3. Magnetic flux is denoted by ______
(A) θ
(B) φ
(C) ∈
(D) ω
4. Increased number of lines means ______ magnetic field
(A) wider
(B) greater
(C) stronger
(D) bigger
5. A magnetic field line equals to a ______
(A) webber
(B) maxwell
(C) watt
(D) newton
6. One Weber equals to ______ Maxwell
(A) 1 × 10⁸
(B) 1 × 10⁷
(C) 1 × 10⁶
(D) 1 × 10¹⁰
7. Flux per unit area is called ______
(A) maxwell
(B) permeability
(C) reluctance
(D) flux density
8. 1 KG = ______ Gauss
(A) 10⁻³
(B) 10³
(C) 10
(D) 10⁶
9. One Weber per square meter is called ______
(A) maxwell
(B) tesla
(C) flux density
(D) reluctance
10. Opposition in the production of flux is called ______
(A) resistance
(B) reluctance
(C) tesla
(D) lines of force
11. Magnetic lines of force become ______ where field is strong
(A) thinner
(B) parallel
(C) thicker
(D) smooth
12. Magnet made from iron/steel is called ______ magnet
(A) temporary
(B) permanent
(C) electro
(D) diamagnetic
13. Magnet made up of soft iron is called ______ magnet
(A) soft
(B) temporary
(C) permanent
(D) electro
14. When electricity is passed through a solenoid it becomes ______
(A) conductor
(B) inductor
(C) magnet
(D) insulator
15. Like poles of magnet ______ each other
(A) attracts
(B) both a and b
(C) repels
(D) none of above
16. Opposite poles of magnet ______ each other
(A) repel
(B) attract
(C) reflect
(D) neglect
17. Lead, Copper and Bismuth are ______ materials
(A) ferromagnetic
(B) paramagnetic
(C) diamagnetic
(D) electro-magnetic
18. Magnetic effect of a body on another without physical contact is called magnetic ______
(A) induction
(B) permeability
(C) reluctance
(D) conduction
19. 1 ampere turn = ______ Gilbert
(A) 1.28
(B) 1.27
(C) 1.26
(D) 1.29
20. Magnetic field intensity is ______
(A) mmf
(B) mmf/A
(C) mmf/I
(D) mmf/L