by Sunday | Nov 6 | Physics JAMB
A. Mercury only B. Alcohol and Water C. Mercury and Alcohol D. Alcohol only Correct Answer: Option C – Mercury and Alcohol Explanation Mercury and alcohol are often used in THERMOMETER Note:Water is never allowed to be used in thermometer because, it doesn’t...
by Sunday | Nov 6 | Physics JAMB
I. Using a soft iron ore II. Laminating the iron core to reduce energy loses due to eddy current III. Designing an efficient iron core A. I & II only B. II only C. I, II, & III only D. III only Correct Answer: Option C – I, II, & III only Explanation...
by Sunday | Nov 6 | Physics JAMB
I. Taking it to a high altitude II. Dissolving a salt into it III. Heating it in a sealed flask IV. Increasing the rate of heat supply . A. I only B. III & IV only C. II & III only D. II only Correct Answer: Option D – II only Explanation At elevated...
by Sunday | Nov 6 | Physics JAMB
A. 15°C B. 40°C C. 20°C D. 10°C Correct Answer: Option B – 40°C Explanation R0 = 7Ω , R1 = 7.2 Ω, R2 = 7.5 Ω, Tx = ? [(X – T100°C) ÷ (R1 – R0)] = [(T100°C – T0°C) ÷ (R2 – R0)] [(Tx – 0) ÷ (72 – 7)] = [(100 – 0) ÷ (7.5 – 7)] Tx/0.2 = (100 ÷ 0.5) Tx =...