Jamb Physics 2006 Past Questions and Answers

Question 16:

• JAMB 2006

The electrolyte in the Nickei-iron (Nife) accumulator is

A. Potassium hydroxide solution
B. Dilute tetraoxosulphate(VI)acid
C. Copper tetraoxosulphate(VI)solution
D. Ammonium chloride solution

Question 17:

• JAMB 2006

During electrolysis, 2.0 g of a metal is deposited using a current of 0.5 A in 3 hours. The mass of the same metal which can be deposited using a current of 1.5 A in 1 hour is?

A. 1.0 g
B. 0.5 g
C. 3.0 g
D. 2.0 g

Question 18:

• JAMB 2006

When a certain a.c supply is connected to a lamp, it lights with the same brightness as it does with a 12 V d.c battery. Then r.m.s value of the a.c supply is?

A. 12.0 V
B. 3.5 V
C. 17.0 V
D. 8.5

Question 19:

• JAMB 2006

An ammeter of resistance 5Ω has a full-scale deflection when a current of 50 mA flows in it. The value of the resistor required to adapt it to measure a current of 5 A is?

A. 0.25Ω
B. 5.00Ω
C. 19.80Ω
D. 0.05Ω

Question 20:

• JAMB 2006

The motion of smoke particles from a chimney is typical of?

A. Random motion
B. Circular motion
C. Rotational motion
D. Oscillatory motion