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Physics
UTME / JAMB 1991
Work, Energy, Power & Simple Machines
Diagram
A body is under action of a force F such that the force displacement graph of the body is semi circular as shown above. The work done on the body by the force in moving through 24 meters is
Attached Figure / Diagram
A
36π J
B
72π J
C
144π J
D
288π J
medium Difficulty
Verified Correct Answer: Option B
Physical Principles & Numerical Solution
No expanded working has been attached for this question yet. The verified answer is Option B.
Source: Myschool Past Questions Archive (Record #41697)
Physics
UTME / JAMB 1991
Current Electricity & Electric Circuits
Diagram
Solution
The internal resistance of each of the cells E\(^1\) and E\(^2\), shown in the figure above, is 2 Ohms. Calculate the total current in the circuit
Attached Figure / Diagram
A
0.80A
B
0.50A
C
0.40A
D
0.004A
medium Difficulty
Verified Correct Answer: Option C
Physical Principles & Numerical Solution
The total internal resistance is \( r = 1 \, \Omega \) and the total resistance in the circuit is given by:
\(R = 4 + 1 = 5 \, \Omega\)
Using Ohm's law, we have:
\(V = I(R + r)\)
Substituting the values:
\(2 = I \cdot 5\)
Solving for \( I \):
\(I = \frac{2}{5} = 0.4 \, \text{A}\)
Source: Myschool Past Questions Archive (Record #41698)
Physics
UTME / JAMB 1991
Electrostatics & Capacitors
Diagram
Solution
The net capacitance of the circuit shown above is
Attached Figure / Diagram
A
8.0µF
B
6.0µF
C
4.0µF
D
2.0µF
medium Difficulty
Verified Correct Answer: Option D
Physical Principles & Numerical Solution
Capacitance in parallel.
\(C_4 = C_1 + C_2\) = 2 + 2 = 4µf.
\(\frac{1}{C_T} = \frac{ 1}{C_3} + \frac{1}{C_4}\)
= \(\frac{ 1}{4} + \frac{1}{4}\)
= \(\frac{ 1 + 1}{4}\)
\(\frac{1}{C_T} = \frac{2}{4}\)
\(C_T = \frac{4}{2}\) = 2µf.
Source: Myschool Past Questions Archive (Record #41699)
Physics
UTME / JAMB 1991
Current Electricity & Electric Circuits
Diagram
Solution
In the above circuit, The fuse wire melts when
Attached Figure / Diagram
A
K is Opened
B
K is closed
C
the 14 ohm resistor is doubled with k closed
D
the 6 ohm resistor is doubled with k closed
medium Difficulty
Verified Correct Answer: Option B
Physical Principles & Numerical Solution
K is closed: This is when the current exceeds the 2 A rating of the fuse, causing it to melt.
Source: Myschool Past Questions Archive (Record #41700)
English Language
WAEC / WASSCE 1991
Lexis, Structure & Register (Cloze & Vocabulary)
From the words or groups of words lettered A to D, choose the word or group of words that best completes the sentence.
Don't believe all.............he had told you.
A
what
B
which
C
that
D
there
medium Difficulty
Verified Correct Answer: Option C
Grammar & Contextual Explanation
No expanded working has been attached for this question yet. The verified answer is Option C.
Source: Myschool Past Questions Archive (Record #23526)
English Language
WAEC / WASSCE 1991
Concord (Subject-Verb Agreement)
From the words or groups of words lettered A to D, choose the word or group of words that best completes the sentence.
He succeeded ....the odds he faced.
A
after
B
despite
C
even
D
in addition to
medium Difficulty
Verified Correct Answer: Option B
Grammar & Contextual Explanation
No expanded working has been attached for this question yet. The verified answer is Option B.
Source: Myschool Past Questions Archive (Record #23527)
English Language
WAEC / WASSCE 1991
Question Tags, Modals & Pronouns
From the words or groups of words lettered A to D, choose the word or group of words that best completes the sentence.
Please let me have.........salt in my soup.
A
a little
B
few
C
small
D
a few
medium Difficulty
Verified Correct Answer: Option A
Grammar & Contextual Explanation
No expanded working has been attached for this question yet. The verified answer is Option A.
Source: Myschool Past Questions Archive (Record #23528)
English Language
WAEC / WASSCE 1991
Lexis, Structure & Register (Cloze & Vocabulary)
In question numbered 66 above, choose the best option from letters A - E that best completes the gap.
A
necessary
B
useful
C
important
D
harmless
E
harmful
medium Difficulty
Verified Correct Answer: Option E
Grammar & Contextual Explanation
No expanded working has been attached for this question yet. The verified answer is Option E.
Source: Myschool Past Questions Archive (Record #23529)
English Language
WAEC / WASSCE 1991
Lexis, Structure & Register (Cloze & Vocabulary)
In question numbered 67 above, choose the best option from letters A - E that best completes the gap.
A
produce
B
invent
C
deliver
D
forge
E
create
medium Difficulty
Verified Correct Answer: Option A
Grammar & Contextual Explanation
No expanded working has been attached for this question yet. The verified answer is Option A.
Source: Myschool Past Questions Archive (Record #23530)
English Language
WAEC / WASSCE 1991
Lexis, Structure & Register (Cloze & Vocabulary)
In question numbered 68 above, choose the best option from letters A - E that best completes the gap.
A
dispersing
B
beautifying
C
flavouring
D
colouring
E
pollinating
medium Difficulty
Verified Correct Answer: Option E
Grammar & Contextual Explanation
No expanded working has been attached for this question yet. The verified answer is Option E.
Source: Myschool Past Questions Archive (Record #23531)
English Language
WAEC / WASSCE 1991
Lexis, Structure & Register (Cloze & Vocabulary)
In question numbered 69 above, choose the best option from letters A - E that best completes the gap.
A
scientific
B
mechanical
C
traditional
D
modern
E
technical
medium Difficulty
Verified Correct Answer: Option C
Grammar & Contextual Explanation
No expanded working has been attached for this question yet. The verified answer is Option C.
Source: Myschool Past Questions Archive (Record #23532)
English Language
WAEC / WASSCE 1991
Lexis, Structure & Register (Cloze & Vocabulary)
In question numbered 70 above, choose the best option from letters A - E that best completes the gap.
A
shell
B
cell
C
hive
D
hut
E
tree
medium Difficulty
Verified Correct Answer: Option C
Grammar & Contextual Explanation
No expanded working has been attached for this question yet. The verified answer is Option C.
Source: Myschool Past Questions Archive (Record #23533)
English Language
WAEC / WASSCE 1991
Lexis, Structure & Register (Cloze & Vocabulary)
In question numbered 71 above, choose the best option from letters A - E that best completes the gap.
A
rays
B
heat
C
torch
D
fire
E
light
medium Difficulty
Verified Correct Answer: Option D
Grammar & Contextual Explanation
No expanded working has been attached for this question yet. The verified answer is Option D.
Source: Myschool Past Questions Archive (Record #23534)
English Language
WAEC / WASSCE 1991
Lexis, Structure & Register (Cloze & Vocabulary)
In question numbered 72 above, choose the best option from letters A - E that best completes the gap.
A
exceptionally
B
simultaneously
C
alternately
D
constructively
E
imaginatively
medium Difficulty
Verified Correct Answer: Option A
Grammar & Contextual Explanation
No expanded working has been attached for this question yet. The verified answer is Option A.
Source: Myschool Past Questions Archive (Record #23535)
English Language
WAEC / WASSCE 1991
Lexis, Structure & Register (Cloze & Vocabulary)
In question numbered 73 above, choose the best option from letters A - E that best completes the gap.
A
adrenalin
B
sugar
C
gluose
D
nectar
E
glycerine
medium Difficulty
Verified Correct Answer: Option D
Grammar & Contextual Explanation
No expanded working has been attached for this question yet. The verified answer is Option D.
Source: Myschool Past Questions Archive (Record #23539)