JAMB Physics Past Questions & Answers - Page 123

611.

Th internal resistance of each of the cells E1 and E2 Shown in the figure above is 2 Ohm. Calculate the total current in the circuit

A.

0.80A

B.

0.50A

C.

0.40A

D.

0.004A

View answer & explanation

Correct answer is C

No explanation has been provided for this answer.

612.

A body is under action of a force F such that the force displacement graph of the body is semi circular as shown above. The work done on the body by the force in moving through 24 meters is

A.

36π J

B.

72π J

C.

144π J

D.

288π J

View answer & explanation

Correct answer is B

No explanation has been provided for this answer.

613.

Find the tension T1 in the diagram above if the system is in equilibrium

[G = 10ms^-2]

A.

200/√3N

B.

100/√3N

C.

300/√3N

D.

100N

View answer & explanation

Correct answer is B

No explanation has been provided for this answer.

614.

A force of 5N act at a point Y on a rod XYZ as shown in the diagram above, if XY is 2m. What is the moment of the force about point X?

A.

0Nm

B.

3Nm

C.

7Nm

D.

10Nm

View answer & explanation

Correct answer is A

No explanation has been provided for this answer.

615.

What is the average velocity of the sprinter whose velocity time graph is as shown above

A.

85.0ms^-1

B.

17.0ms^-1

C.

8.5ms^-1

D.

1.7ms^-1

View answer & explanation

Correct answer is C

No explanation has been provided for this answer.

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