MCQ Collection
MDCAT Physics MCQs
Practice MDCAT Physics questions with answers and explanations.
Choose an option to check your answer.
A.
Damage to DNA and cellular molecules
B.
Creation of chlorophyll
C.
Permanent increase in all enzyme rates
D.
Conversion of bone to muscle
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Correct Answer: A. Damage to DNA and cellular molecules
Explanation:
Semiconductor behavior and quantized energy levels explain the electronic or atomic effect.
Choose an option to check your answer.
A.
30 N
B.
15 N
C.
7.5 N
D.
16 N
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Correct Answer: B. 15 N
Explanation:
For perpendicular motion, magnetic force is F=qvB.
Choose an option to check your answer.
A.
Transformer
B.
Geiger–Müller counter
C.
Calorimeter
D.
Hydrometer
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Correct Answer: B. Geiger–Müller counter
Explanation:
Semiconductor behavior and quantized energy levels explain the electronic or atomic effect.
Choose an option to check your answer.
A.
8 N
B.
2 N
C.
4 N
D.
5 N
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Correct Answer: C. 4 N
Explanation:
For perpendicular motion, magnetic force is F=qvB.
Choose an option to check your answer.
A.
24 N
B.
6 N
C.
13 N
D.
12 N
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Correct Answer: D. 12 N
Explanation:
For perpendicular motion, magnetic force is F=qvB.
Choose an option to check your answer.
A.
In phase with voltage
B.
90° behind voltage
C.
90° ahead of voltage
D.
Always zero
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Correct Answer: A. In phase with voltage
Explanation:
The component determines the phase relation between voltage and current.
Choose an option to check your answer.
A.
In phase with voltage
B.
90° behind voltage
C.
90° ahead of voltage
D.
Independent of voltage
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Correct Answer: B. 90° behind voltage
Explanation:
The component determines the phase relation between voltage and current.
Choose an option to check your answer.
A.
90° behind voltage
B.
In phase with voltage
C.
90° ahead of voltage
D.
Always zero
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Correct Answer: C. 90° ahead of voltage
Explanation:
The component determines the phase relation between voltage and current.
Choose an option to check your answer.
A.
Fewer secondary turns than primary turns
B.
Equal turns and zero output
C.
No magnetic core
D.
More secondary turns than primary turns
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Correct Answer: D. More secondary turns than primary turns
Explanation:
The component determines the phase relation between voltage and current.
Choose an option to check your answer.
A.
The depletion region becomes narrower
B.
It becomes infinitely wide
C.
It contains no electric field initially
D.
It turns into a resistor with no polarity
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Correct Answer: A. The depletion region becomes narrower
Explanation:
Semiconductor behavior and quantized energy levels explain the electronic or atomic effect.
Choose an option to check your answer.
A.
5.143 A
B.
2.571 A
C.
1.286 A
D.
3.571 A
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Correct Answer: B. 2.571 A
Explanation:
The total series resistance is R+r.
Choose an option to check your answer.
A.
4 A
B.
1 A
C.
2 A
D.
3 A
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Correct Answer: C. 2 A
Explanation:
The total series resistance is R+r.
