Peak And Rms Values - Physics Jamb Past Questions and Answers

Question 1 :

• JAMB 2019

If the time of flight is 96seconds, calculate the horizontal range through the point of projection.

A. 84400m
B. 69000m
C. 61440m
D. 24000m

Question 2 :

• JAMB 2001

In the diagram above, determine the r.m.s current

A. 31A
B. 48A
C. 60A
D. 80A

Question 3 :

• JAMB 2006

When a certain a.c supply is connected to a lamp, it lights with the same brightness as it does with a 12 V d.c battery. Then r.m.s value of the a.c supply is?

A. 12.0 V
B. 3.5 V
C. 17.0 V
D. 8.5