Magnets and Magnetic Fields - Jamb Physics Past Questions and Answers

Question 56:

• JAMB 2016

A charged particle is moving in a uniform magnetic field. if the direction of motion of the charged particle is parallel to the magnetic field, the path of the charge will

A. Be a straight line
B. Curve inwards
C. Be a parabola
D. Curve outwards

Question 57:

• JAMB 2016

Which of the following does Not use magnetic effect of current to function?

A. Lead acid accumulator
B. An electric bell
C. A moving coil galvanometer
D. A telephone receiver

Question 58:

• JAMB 2016

In the diagram above, the direction of the force between N and S in the magnetic field is

A. MP
B. SN
C. NS
D. PM

Question 59:

• JAMB 2018

In the diagram shown, If the south-poles of two magnets stroke a steel bar, the polarities at T and V will respectively be

A. North and south
B. South and south
C. North and north
D. South and north

Question 60:

• JAMB 2019

A straight wire 15cm long, carrying a current of 6.0A is in a uniform field of 0.40T. What is the force on the wire when it is at right angle to the field

A. 0.46N
B. 0.35N
C. 0.36N
D. 0,24N