Question 4576:

• NECO 2005

The following are derived units EXCEPT

A. Kg m^-3
B. N
C. Ns
D. M³
E. Kg

Question 4577:

• NECO 2005

A 12V battery supplies a current of 0.4A to a lamp. Calculate the resistance of the lamp.

A. 30.00
B. 4.80
C. 3.00
D. 0.30
E. 0.03

Question 4578:

• NECO 2005

In which of the following is the expansion of solids a disadvantage?

A. Electric iron
B. Fire alarm
C. The balance wheel of a watch
D. The bimetallic thermometer
E. The fitting of wheels in rims

Question 4579:

• NECO 2005

Which of the following is a desirable property of a fuse Wire?

A. High expansively
B. High thermal conductivity
C. Low density
D. Low electrical resistivity
E. Low melting point

Question 4580:

• NECO 2005

A projectile is projected with an initial velocity u, at an angle θ to the horizontal. The maximum height attained is ____________

A. U² sin \(\frac{\theta}{g}\)
B. 2U² sin² \(\frac{\theta}{g}\)
C. U sin² \(\frac{\theta}{g}\)
D. U² sin²\(\frac{\theta}{g}\)