Chapter: Electric Field
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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