Question
Equivalent capacitance between A and B is
|
(a) 8 μC |
(b) 6 μF |
(c) 26 μF |
(d) 10/3 μF |
✓
Answer
(a) 8 μC
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
The theory of quantisation of electric charge was given by:
In the figure is shown Young’s double slit experiment. Q is the position of the first bright fringe on the right side of O. P is the 11th fringe on the other side, as measured from Q. If the wavelength of the light used is 6000 
, then 
will be equal to
|
(a) 6 |
(b) 6.6 |
(c) 3.138 |
(d) 3.144 |
A string of negligible thickness is wrapped several times around a cylinder kept on a rough horizontal surface. A man standing at a distance 1 from the cylinder holds one end of the string and pulls the cylinder towards him. There is no slipping anywhere. The length of the string passed through the hand of the man while the cylinder reaches his hands is:
- l
- 2l
- 3l
- 4l
The unit for molar susceptibility is
|
(a) m3 |
(b) kg-m–3 |
(c) kg–1 m3 |
(d) No units |
Size of nucleus:
For a thermocouple the neutral temperature is 270℃ when its cold junction is at 20℃. What will be the neutral temperature and the temperature of inversion when the temperature of cold junction is increased to 40 ℃
|
(a) 290℃, 580℃ |
(b) 270℃, 580℃ |
(c) 270℃, 500 ℃ |
(d) 290 ℃, 540 ℃ |
Let E, G and N represent the magnitudes of electromagnetic gravitational and nuclear forces between two electrons at a given separation. Then:
- N > E > G
- E > N > G
- G > N > E
- E > G > N
A diver in a swimming pool wants to signal his distress to a person lying on the edge of the pool by flashing his water proof flash light
|
(a) He must direct the beam vertically upwards |
|
(b) He has to direct the beam horizontally |
|
(c) He has to direct the beam at an angle to the vertical which is slightly less than the critical angle of incidence for total internal reflection |
|
(d) He has to direct the beam at an angle to the vertical which is slightly more than the critical angle of incidence for the total internal reflection |
A proton accelerated by a potential difference 500 KV moves though a transverse magnetic field of 0.51T as shown in figure. The angle θ through which the proton deviates from the initial direction of its motion is
|
(a) 15° |
(b) 30° |
(c) 45° |
(d) 60° |
Work done in moving a positive charge on an equipotential surface is
|
(a) Finite, positive but not zero |
(b) Finite, negative but not zero |
|
(c) Zero |
(d) Infinite |