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1816

A 24V potential difference is applied across a parallel combination of four 6-ohms resistor, The current in each resistor is

A. 1A
B. 4A
C. 16A
D. 18A
E. 36A

View Answer & Discuss (22) JAMB 1983

1817

The electrochemical equivalent of a metal is 0.126 x 10^-6 kgC^-1. The mass of the metal that a current of 5A will deposit from a suitable bath in 1 hour is

A. 0.0378 x 10 ^-3kg
B. 0.227 x 10 ^-3kg
C. 0.378 x 10 ^-3kg
D. 0.595 x 10 ^-3kg
E. 2.268 x 10 ^-3kg

View Answer & Discuss (3) JAMB 1983

1818

Ripples on water are similar to light waves in that they both

A. have the same wavelength
B. are longitudinal
C. cannot be reflected
D. travel at the same speed
E. can be refracted and diffracted

View Answer & Discuss (6) JAMB 1983

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1819

A piece of wood is floating on water. The forces acting on the wood are

A. upthrust and reaction
B. weight and reaction
C. weight and upthrust
D. upthrust and viscousity
E. weight and viscousity

View Answer & Discuss (3) JAMB 1983

1820

Of the following derived units, the one that is not a unit of power is

A. joule/second
B. ampere volt
C. ampere²volt
D. volts²/ohm

View Answer & Discuss (15) JAMB 1983

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