Waec Physics 2017 Past Questions and Answers

Question 36:

• WAEC 2017

The force per unit charge experienced at a point in a field is the

A. Gravitational field strength
B. Electric potential
C. Electric field intensity
D. Magnetic field strength

Question 37:

• WAEC 2017

Which of the following objects is not a conductor of electricity?

A. The Earth
B. Human body
C. Iron rod
D. Dry wood

Question 38:

• WAEC 2017

A circuit is set up as shown in the diagram above. When the key is closed, the ammeter reading will be

A. 6A
B. 4A
C. 2A
D. 1A

Question 39:

• WAEC 2017

Which of the following statements is/ are correct?
I. Gravitational potential due to a mass at a point a distance r away is proportional to \(r^{2}\)
II. Gravitational field strength is a vector quantity
III. Gravitational intensity is proportional to the weight of a unit mass.

A. I, II and III
B. III only
C. II only
D. I only

Question 40:

• WAEC 2017

The diagrams above illustrate electrical connections to the element of an electric pressing iron.In which of the connections is the fuse correctly fixed?

A. I
B. II
C. III
D. IV