JAMB Physics 2010 Objective — Question 36

Question 36 of 50 from the Joint Admissions and Matriculation Board (JAMB) Physics 2010 Objective paper, with the correct answer and a full explanation.

36. The diagram above shows a balanced metre bridge, the value of x is A. 66.7cm B. 25.0 cm C. 33.3 cm D. 75.0cm

• A. 66.7cm
• B. 25.0 cm
• C. 33.3 cmCorrect
• D. 75.0cm

Explanation

R1/L1=R2/L2. 4/x=8/(100-x). 8x=400-4x. 12x=400. x=(400/12)=33.33cm.

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