Jamb Physics 1994 Past Questions and Answers

Question 41:

• JAMB 1994

What is the reading of the vernier calipers shown above

A. 1.79cm
B. 1.73cm
C. 1.39cm
D. 1.34cm

Question 42:

• JAMB 1994

The fig above shows a uniform wood of weight 200Nand length 50m. It is pivoted at one end and suspended by a cord at the other end at an angle of 30 degrees to the wood. calculate the tension in the cord if the wood is horizontal

A. 10N
B. 20N
C. 100N
D. 200N

Question 43:

• JAMB 1994

In the fig above if the atmospheric pressure is 760mm, the pressure of the chamber G is

A. 660mm
B. 690mm
C. 830mm
D. 860mm

Question 44:

• JAMB 1994

In the fig above, XY is of length 1m, The value of R at balance point Z is

A. 3.0Ω
B. 13.3Ω
C. 15.0Ω
D. 30.0Ω

Question 45:

• JAMB 1994

In the circuit diagram above, calculate the current in the 12 Ω resistor if the cell has an emf of 12V and an internal resistance of 1Ω

A. 0.8A
B. 1.0A
C. 1.6A
D. 2.4A