Physics > 2003 > 39
JAMB UTME
In the calibration of an ammeter using Faraday's law of electrolysis, the
ammeter reading is kept constant at 1.20A. If 0.990g of copper is deposited
in 40 minutes, the correction to be applied to the ammeter is
[e.c.e. of copper = 3.3 x 10-4gC-1]
ammeter reading is kept constant at 1.20A. If 0.990g of copper is deposited
in 40 minutes, the correction to be applied to the ammeter is
[e.c.e. of copper = 3.3 x 10-4gC-1]
A.
0.30A
B.
0.04A
C.
0.05A
D.
0.06A
Answer: C
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