N5.70
N7.23
N3.65
N8.05
N4.50
Correct answer is A
Total power = (8 x 40) + (4 x 60) + (2 x 100)
= 760W
Energy(Kwhr) = power x time
= 760 x 10-3 x 150
= 114kwhr.
If, 1kwhr. cost 5k
thus, 114 kwhr. will cost 5 x 114
= N5.70
a larger number of turns in the coil
a thinner suspension with a small torsional control
a special alloy permanent magnet which gives a high magnetic flux
all of the above
a light source with a greater intensity
Correct answer is D
No explanation has been provided for this answer.
eight
two
four
one
infinite
Correct answer is E
No explanation has been provided for this answer.
Hooke's Law
Boyle's Law
Dalton's Law
Charles' Law
Newton's Law
Correct answer is D
No explanation has been provided for this answer.
0
\(\frac{2}{3}\)
1
2
3
Correct answer is C
U = 30cm = 2f = r
V = 30cm
hence, m = \(\frac{v}{u}\) = \(\frac{30}{30}\)
= 1