I
II
III
V
Correct answer is D
Latent heat or specific latent heat = L
Heat | energy | = | mL | or | L | = | H
m |
= | energy
mass |
52°C
50°C
49°C
46°C
Correct answer is B
Cθ = 50, C0 = 2, C100 = 100
θ | = | Cθ - C0
C100 - C0 |
× | 100 | = | 51 - 2
100 - 2 |
× | 100 |
= | 49
98 |
× | 100 |
θ = 50°C.
The resultant capacitance in the figure above is
0.4μf
0.8μf
1.8μf
4.5μf
Correct answer is B
For the parallel arrangement = 2 + 4 = 6μf
For | the | series | arrangement | = | 1
CT |
= | 1
2 |
+ | 1
3 |
+ | 1
6 |
+ | 1
4 |
1
CT |
= | 15
12 |
CT | = | 12
15 |
= | 0.8μf |