POST UTME ESUT 2020 Physics | Objective

Practice these randomly selected questions to test your readiness.

Question 1
A coil of wire is placed in a magnetic field. If the magnetic field strength is 0.5 T and the coil has 100 turns, what is the induced emf in the coil?
A. 0.25 V
B. 0.5 V
C. 1 V
D. 2 V
Question 2
A ray of light passes from air into a glass block. If the angle of incidence is 30° and the re\fractive index of glass is 1.5, what is the angle of re\fraction?
A. 18°
B. 20°
C. 22°
D. 25°
Question 3
A parallel plate capacitor has a capaci\tance of 10 μF. If a potential difference of 20 V is applied across its plates, what is the charge stored on each plate?
A. 20 μC
B. 40 μC
C. 80 μC
D. 100 μC
Question 4
A 100 W light bulb is connected to a 220 V power source. If the resis\tance of the bulb is 100 Ω, what is the current flowing through it?
A. 0.5 A
B. 1 A
C. 2 A
D. 5 A
Question 5
A gas is heated from 20°C to 50°C. If the initial volume is 2 L and the final volume is 4 L, what is the change in temperature?
A. 10°C
B. 20°C
C. 30°C
D. 40°C

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