What is the value of R when G shows no deflection in the circuit illustrated above?
80Ω
75Ω
45Ω
20Ω
10Ω
Correct answer is D
R/30 = 100/150R = 20Ω
Let U = {1, 2, 3, 4}, P = {2, 3} and Q = {2, 4}. What is (P∩Q)'?
(1, 2, 3)
(1, 3, 4)
(2, 3)
(1, 3)
(1, 4)
Correct answer is B
U = {1,2,3,4}; P = {2,3}; Q = {2,4}; P∩Q = {2} (P∩Q)' = {1,3,4}
In the diagram above , |AD| = 10cm, |DC| = 8cm and |CF| = 15cm. Which of the following is correct?
Area BCF = Area DCF
Area ADE = Area ADF
Area ADE = Area DCFE
Area CBF = Area DABC
Area DABO = Area CFEO
Correct answer is E
No explanation has been provided for this answer.
24cm2
48cm2
80cm2
96cm2
120cm2
Correct answer is B
Area of \(\Delta\)DCF = 24cm2
Area of Quad= 2 x 24 = 48cm2
1.7 x 10-4V
3.4x10-4V
1.5x10-1V
6.0 x103V
1.2 x104V
Correct answer is D
No explanation has been provided for this answer.
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