by Sunday | Jan 3 | Physics WAEC
A. 0.46N B. 0.35N C. 0.36N D. 0,24N Correct Answer: Option C Explanation F = BIL = 0.4 x 6 x 15/100 = 0.36N
by Sunday | Jan 3 | Physics WAEC
A. pin-hole is larger B. illumination is less C. screen is further from the pin-hole D. object is further from the pin-hole Correct Answer: Option A A. pin-hole is larger Explanation – a less sharp or blurred image is due to increased brightness – increase...
by Sunday | Jan 3 | Physics WAEC
A. 6.5 cm B. 7.5 cm C. 8.5 cm D. 4.5 cm Correct Answer: Option B Explanation u + v = 40 v/u = 3 v = 3u u + 3u = 40 4u = 40 u = 10cm v = 3u = 30cm f = uv/(u+v)=10(30)/(10+30)=300/40 = 7.5...
by Sunday | Jan 3 | Physics WAEC
A. increases B. decreases C. remain constant D. increases then decreases Correct Answer: Option B B. decreases Explanation Surface tension or elasticity of a fluid decreases with increased in temperature
by Sunday | Jan 3 | Physics WAEC
A. using an alternating current source B. forward voltage drop C. heavy load D. using a Zener diode Correct Answer: Option D D. using a Zener diode Explanation The correct option is “Using a Zener diode” as fluctuation of d.c signal results from the...