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Question 21 Physics (2018) | JAMB/UTME (2018)
A
decreasing the loudness
B
increasing the intensity
C
increasing the frequency
D
decreasing the intensity
Explanation.

No official Explanation yet!

Question 22 Physics (2018) | JAMB/UTME (2018)
A
it leads to chain reaction
B
its products are not radioactive
C
neutrons are not released
D
the of the masses of the reactants equals the sum of the masses of the products
Explanation.

No official Explanation yet!

Question 23 Physics (2018) | JAMB/UTME (2018)
A
16.03cm$$^3$$
B
15.09cm$$^3$$
C
16.00cm$$^3$$
D
15.03cm$$^3$$
Explanation.

No official Explanation yet!

Question 24 Physics (2018) | JAMB/UTME (2018)
A
100J
B
150J
C
50J
D
200J
Explanation.

No official Explanation yet!

Question 25 Physics (2018) | JAMB/UTME (2018)
A
30V
B
70V
C
50V
D
40V
Explanation.

No official Explanation yet!

Question 26 Physics (2018) | JAMB/UTME (2018)
A
20 years
B
10 years
C
2 years
D
24 years
Explanation.

No official Explanation yet!

Question 27 Physics (2018) | JAMB/UTME (2018)
A
specific heat capacity
B
latent heat
C
heat capacity
D
internal energy
Explanation.

The heat capacity of a defined system is the amount of heat (usually expressed in calories, kilocalories, or joules) needed to raise the system's temperature by one degree (usually expressed in Celsius or Kelvin).

Question 28 Physics (2018) | JAMB/UTME (2018)
A
temperature of its surroundings
B
temperature of the body
C
difference in temperature between the body and its surroundings
D
ratio of the temperature of the body to that of its surroundings
Explanation.

No official Explanation yet!

Question 29 Physics (2018) | JAMB/UTME (2018)
A
no charge and a zero potential
B
a positive charge and a zero potential
C
a negative charge and a positive potential
D
a negative charge and a negative potential
Explanation.

No official Explanation yet!

Question 30 Physics (2018) | JAMB/UTME (2018)
A
a person touching the appliances is safe from electric shock
B
both the a.c. and d.c. sources can be used
C
the appliances are maintained at a higher pd than the earth
D
the appliances are maintained at a lower pd than the earth
Explanation.

No official Explanation yet!

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