Post Utme Physics Past Questions and Answers

Question 481:

Two capacitors of 8 EF and 10 PF are connected in series to a 100 V dc supply.
The charge on either place of each capacitor is ____________

A. 2.25x10-1C
B. 4.4x10-3C
C. 4.4 C
D. 4.4x10-4C

Question 482:

A conductor of length 5 m carrying a current of 15A is placed in a uniform magnetic field of flux density 0.25 T.
If the conductor is placed at 600 to the field then the force on it is ____________

A. 18.75N
B. 9N
C. 16.24 N
D. 35 N

Question 483:

When an inclined plane of angle is used as a simple machine, its velocity ratio is ____________

A. 1/cos F
B. Cos
C. 1/sin
D. Sin

Question 484:

Which of the following statements is not true of a real image formed by a concave mirror?

A. It is inverted
B. It is erect
C. It can be observed on a screen
D. None

Question 485:

A 8 kg mass rests on an inclined plane. If the limiting frictional force 50 Nandg=10m/s2,
then the angle of inclination of the plane is ____________

A. 37.80
B. 38.70
C. 87.30
D. 78.30