Post Utme Physics Past Questions and Answers

Question 1161:

If the net workdone on a particle is zero, which of the following statements must be true?

A. The velocity is zero
B. The velocity is constant
C. The speed is zero
D. The speed is constant

Question 1162:

One thousand microns is equal to

A. ${10}^{-3}\mathrm{m}$
B. ${10}^{-6}\mathrm{m}$
C. ${10}^{-9}\mathrm{m}$
D. ${10}^{-12}$

Question 1163:

A galvanometer of internal resistance 100 ohms gives a full - scale deflection for a current of $10mA$. Determine the resistance necessary to convert the galvanometer to a voltmeter capable of reading up to 5V.

A. $200\mathrm{\Omega }$
B. 400 $\mathrm{\Omega }$
C. $300\mathrm{\Omega }$
D. $0.1\mathrm{\Omega }$

Question 1164:

A snail travels $45cm$ in 20 minutes, its average velocity

A. 2.25cm/hr
B. 135cm/hr
C. 13.5 cm/hr
D. 225 cm/hr

Question 1165:

A battery delivering $2A$ has a terminal voltage of $1.41V$, Calculate the internal resistance if the e.m.f. of the battery 1.95V

A. 0.9
B. 0.09
C. 9.0
D. 6.0