DAY(1)JAMB 2023 PHYSICS QUESTIONS EXTRACTED BY EXAMKING.NET

Physics

1. Which of the following is a poor conductor of electricity
A)Soapy water
B)cold water
C)distilled water
D)None

2. If a reverse-biased voltage is applied across a p-n junction, the depletion layer width is
A. Increased
B. Decreased
C. Constant
D. Halved

3. A semi conductor in which the holes are excess is .
a. P-type
b. N- type
C. P-n type
D. Ohmic type

4. Which of the following is a poor conductor of electricity
A)Soapy water
B)cold water
C)distilled water
D)None

5. In a series resonant circuit , the current flowing in the circuit is
A. Max
B. Min
C. Zero
D. Unaffected.

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