Z only
X only
Y and Z
Y and X
Correct answer is A
Under neutral equilibrium, the body rolls and the position of the center of gravity , C. G is neither raised nor lowered
14.0 N
10.0 N
12.0 N
13.0 N
Correct answer is B
The resultant, R is given by pythagoras rule, R2 = P2 + Q2
= 62 + 82 = 36 + 64 = 100
R = √100 = 10.0N
the energy released
the electrochemical equivalent
the current flowing
the charge released
Correct answer is B
In Faradays law of electrolysis
M = It = Q
Where M is the mass of substance deposit . Q is the quantity of charge. A graph of m against Q is a straight line passing through the origin with slope equal to the electrochemical equivalent.Z
south and north
north and south
north and north
south and south
Correct answer is C
IN magnetisation by stroking, the last touched has a pole opposite to that of the magnet used. Therefore, the poles T and V are N and N respectively
N1,920.00
N192.00
N19.20
N1.92
Correct answer is B
Energy consumed = power x time
= 200W x 24hr = 4800wh
= 4.8 kwh
But 1 kwh cost N40
∴ 4.8kwh costs 4.8 x 40
= N192
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