Jamb Physics 2014 Past Questions and Answers

Question 36:

• JAMB 2014

The magnitude of the angle of dip at the equator is

A. 360^o
B. 0^o
C. 90^o
D. 180^o

Question 37:

• JAMB 2014

When an atom undergoes a beta decay, the atomic number of the nucleus

A. Remains unchanged
B. Decreases by one
C. Increases by one
D. Becomes zero

Question 38:

• JAMB 2014

Calculate the mass of the copper deposited during electrolysis when a current of 4A passes through a copper salt for 2 hours. [Ece of Copper z=3.3x10^-7kgC^-1]

A. 2.9x10⁵kg
B. 9.5x10^-7kg
C. 9.5x10^-3kg
D. 2.9x10⁴kg

Question 39:

• JAMB 2014

Which gas produces a pink coloured light in a discharge tube?

A. Mercury
B. Argon
C. Air
D. Neon

Question 40:

• JAMB 2014

In a common emitter configuration, the output voltage is through the

A. Resistor
B. Base
C. Collector
D. Emitter