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PHYSICS

JAMB 2001 - Question 32

Physics 2001 JAMB Past Questions - Question 32: In the circuit diagram above, the ammeter reads a current of 3A when R is 5Q and 6A when R is 2Q. Determine the value of x.

Choose the correct answers from the options given.

In the circuit diagram above, the ammeter reads a current of 3A when R is 5Q and 6A when R is 2Q. Determine the value of x.

A: 8Q

B: 2Q

C: 10Q

D: 4Q

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Correct Answer

Explanation

RT=R*X/R+x ;E=3(5x/5+X) andE=6(2x/2+X); 3(5x/5+X)=6(2x/2+X)x=10ohms