Question 4561:

• NECO 2005

Radio receivers are tuned using ____________

A. Electromagnets
B. Electric motors
C. Inductors
D. Variable capacitors
E. Variable resistors

Question 4562:

• NECO 2005

Three non-parallel coplanar forces which can be represented both in magnitude and direction by the three sides of a triangle taken in order will

A. Have any one force being the equilibrant of the other two
B. Make a body move randomly
C. Make a body oscillate
D. Move a body along a straight line
E. Rotate a body about its axis

Question 4563:

• NECO 2005

A constant force acts on a body of mass 50kg and changes its speed from 20ms^-1 to 90ms^-1 in 10 seconds. Calculate the magnitude of the force applied.

A. 590N
B. 500N
C. 450N
D. 350N
E. 180N

Question 4564:

• NECO 2005

Which of the following is NOT a component of a slide projector?

A. Concave mirror
B. Condenser
C. Convex mirror
D. Light source
E. Screen.

Question 4565:

• NECO 2005

The motion of the wheel of a bicycle moving on a smooth straight road is

A. Oscillatory and random
B. Oscillatory and translational
C. Rotational and oscillatory
D. Rotational and random
E. Rotational and translational