mechanical energy
solar energy
heat energy
magnetic energy
chemical energy
Correct answer is C
No explanation has been provided for this answer.
7.5A
2.5A
1.2A
0.8A
O.4A
Correct answer is C
P = VI ; I = P/V = 100/250 = 0.4A each
Total current 3 x 0.4 = 1.2A
The function of the magnanese (IV) oxide in a leclanche cell is to
decrease the e.m.f. of the cell
prevent local action in the cell
prevent polarization in the cell
increase the density of the electrolyte
increase the resistance of the cell.
Correct answer is C
No explanation has been provided for this answer.
0.050 N
0.075N
0.0300N
3.300N
0.000N
Correct answer is B
F = eV = 0.01 x 5 x 1.5 = 0.075N
Which of the following have the greatest penetrating power?
Beta rays
Alpha rays
Gamma rays
Electrons
Neutrons
Correct answer is C
No explanation has been provided for this answer.
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