Jamb Physics 2001 Past Questions and Answers

Question 31:

• JAMB 2001

Which of the following metals will provide the greatest shield against ionizing radiation

A. Iron
B. Manganese
C. Alminium
D. Lead

Question 32:

• JAMB 2001

The process of energy production in the sun is

A. Nuclear fission
B. Nuclear fussion
C. Electron collision
D. Radioactive decay

Question 33:

• JAMB 2001

At reasonance, the phase angle in an a.c. circuit is

A. 90°
B. 60°
C. 0°
D. 180°

Question 34:

• JAMB 2001

The force on a current carrying conductor in a magnetic field is greatest when the

A. Conductor makes an angle of 60° with the field
B. Force is idependent of the angles between the fields and the conductor
C. Conductor is parallel with the field
D. Conductor is at right angle with the field

Question 35:

• JAMB 2001

A transistor function mainly as a

A. Switch and amplifier
B. Rectifier and an amplifier
C. Charge storer and an amplifier
D. Charge storer and a switch