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Jamb Physics 2023 Past Questions and Answers

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Jamb 2023 Physics Past Questions

Question 16:


Which of the following liquids has the highest surface tension?

A. Soapy water
B. Water
C. Mercury
D. Oil


Question 17:


What is the name of the model of the atom that describes electrons as orbiting the nucleus in specific energy levels?

A. Bohr model
B. Dalton model
C. Rutherford model
D. Thomson model


Question 18:


The electrolyte used in the Nickel-Iron (NiFe) accumulator is

A. Dilute tetraoxosulphate(VI) acid
B. Barium chloride solution
C. Potassium hydroxide solution
D. Sodium hydroxide solution


Question 19:


Which of the following materials is a good insulator?

A. Silver
B. Water
C. Rubber
D. Copper


Question 20:


A generator manufacturing company accidentally made an AC generator instead of a DC generator. To fix this error,

A. The magnetic field needs to be made stronger
B. The split rings should be replaced with slip rings
C. The number of turns of the armature coil needs to be decreased
D. The slip rings should be replaced with split rings






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