Physics JAMB Past Questions

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2261

The value of R required to make the galvanometer measure voltage up to 40V in the diagram above

A. 1885\(\Omega\)
B. 1990\(\Omega\)
C. 1995\(\Omega\)
D. 1100\(\Omega\)

View Answer & Discuss (3) JAMB 2024

2262

5 X 10\(^{-3}\)kg of liquid at its boiling point is evaporated in 20s by the heat generated by a resistor of 2\(\Omega\) when a current of 10A is used. The specific latent heat of vaporization of the liquid is

A. 8.0 x 10\(^4\)Jkg\(^{-1}\)
B. 8.0 x 10\(^5\)Jkg\(^{-1}\)
C. 8.0 x 10\(^6\)Jkg\(^{-1}\)
D. 8.0 x 10\(^7\)Jkg\(^{-1}\)

View Answer & Discuss (9) JAMB 2024

2263

If the S.V.P of water vapour was 13.5mmHg at 33ºC and 7.3mmHg at 7ºC. Find the percentage relative of the air on a day when average air temperature was 33ºC and dew point was 7ºC.