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Physics
UTME / JAMB 2025
Electric Field
Diagram
Solution
If a positively charged rod is brought close to the cap in the diagram above, the divergence
A
is unchanged
B
Increases
C
decreases
D
Collapses
medium Difficulty
Study Explanation
Physics
UTME / JAMB 2024
Electric Field
Solution
When a charged ebonite rod is brought near a charged glass rod, there will be
A
attraction
B
repulsion
C
spark
D
no force experienced
medium Difficulty
Study Explanation
Physics
UTME / JAMB 2023
Electric Field
Solution
A positively charged particle is placed near a negatively charged particle. What is the direction of the electric force between the two particles?
A
The electric force is directed from the negative particle to the positive particle.
B
The electric force is zero.
C
The direction of the electric force cannot be determined.
D
The electric force is directed from the positive particle to the negative particle.
medium Difficulty
Study Explanation
Physics
UTME / JAMB 2023
Electric Field
Solution
A metal sphere is placed on an insulating stand. A negatively charged rod is brought close to it. If the sphere is earthed and the rod is taken away, what will be the charge on the sphere?
A
The sphere will remain neutral.
B
The sphere will have a net negative charge.
C
The sphere will have a net positive charge.
D
The sphere will become polarized
medium Difficulty
Study Explanation
Physics
UTME / JAMB 2022
Electric Field
Diagram
Solution
For a pear-shaped conductor shown above, the concentration of charge on the outside is highest at?
A
X
B
Z
C
Y
D
K
medium Difficulty
Study Explanation
Physics
UTME / JAMB 2010
Electric Field
Solution
When a positively charged rod is brought nearer the cap of a positively charged electroscope, the leaves divergence will?
A
be induced
B
converge
C
diverge
D
remain constant
medium Difficulty
Study Explanation
Physics
UTME / JAMB 2009
Electric Field
Solution
If negative charges are induced on an electroscope and a positively charged rod is brought near the cap of the electroscope, the leaves will?
A
close up
B
become positively charged
C
become negatively charged
D
open further
medium Difficulty
Study Explanation
Physics
UTME / JAMB 2004
Electric Field
Solution
The instrument used for securing a large number of similar charges by induction is called
A
electrophorus
B
capacitor
C
proof-plane
D
electroscope
medium Difficulty
Study Explanation