McqMate
Chapters
1. |
Particles involved in the movement within material are |
A. | protons |
B. | electrons |
C. | neutrons |
D. | positrons |
Answer» B. electrons |
2. |
Phenomena in which a charged body attract uncharged body is called |
A. | electrostatic induction |
B. | electric current |
C. | charge movement |
D. | magnetic induction |
Answer» A. electrostatic induction |
3. |
An uncharged object has |
A. | more protons |
B. | more electrons |
C. | equal electrons and protons |
D. | no protons and electrons |
Answer» C. equal electrons and protons |
4. |
Fields that act on objects with masses are |
A. | electric fields |
B. | magnetic fields |
C. | force fields |
D. | gravitational fields |
Answer» D. gravitational fields |
5. |
Where an electric charge experiences a force, there is an |
A. | electric field |
B. | magnetic field |
C. | electric current |
D. | conventional current |
Answer» A. electric field |
6. |
A field that spreads outwards in all directions is |
A. | radial |
B. | non radial |
C. | strong |
D. | weak |
Answer» A. radial |
7. |
At all the points the uniform fields have |
A. | different strength |
B. | same strength |
C. | zero strength |
D. | infinite strength |
Answer» B. same strength |
8. |
Electric field strength on a dust particle having charge equal to 8 × 10 - 19 when plates are separated by distance of 2 cm and have a potential difference of 5 kV is {{}} |
A. | 2.0 × 10 -13 N |
B. | 3 N |
C. | 5 N |
D. | 20 N |
Answer» A. 2.0 × 10 -13 N |
9. |
Electric field strength can be defined as |
A. | E =Q⁄F |
B. | E = W⁄F |
C. | E =F⁄Q |
D. | E =P⁄Q |
Answer» C. E =F⁄Q |
10. |
When one material is rubbed against the other, then it becomes electrically |
A. | neutral |
B. | charged |
C. | positively charged |
D. | negatively charged |
Answer» B. charged |
11. |
When an electron is moving horizontally between oppositely charged plates, it will move in the |
A. | straight line |
B. | fall directly downwards |
C. | move towards positive plates |
D. | curved path |
Answer» D. curved path |
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