MCQ
The capacitance between the points $A$ and $B$ in the given circuit will be.......$\mu \,F$
  • $1$
  • B
    $2$
  • C
    $3$
  • D
    $4$

Answer

Correct option: A.
$1$
a
(a) $\frac{1}{{{C_{AB}}}} = \frac{1}{3} + \frac{1}{3} + \frac{1}{3} = 1$ $==>$ ${C_{AB}} = 1\,\mu F$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

A metal wire of linear mass density of $9.8\, g/m$ is stretched with a tension of $10 kg$ weight between two rigid supports $1$ metre apart. The wire passes at its middle point between the poles of a permanent magnet, and it vibrates in resonance when carrying an alternating current of frequency $n.$ The frequency $n$ of the alternating source is ..... $Hz$
Variation of atmospheric pressure, with height from earth is ................
An electron accelerated through a potential difference $V$ enters a uniform transverse magnetic field and experiences a force $F$. If the accelerating potential is increased to $2V$, the electron in the same magnetic field will experience a force
If the length of potentiometer wire is increased, then the length of the previously obtained balance point will
The flat face of a plano-convex lens of focal length $10 cm$ is silvered. A point source placed $30 \,cm$ in front of the curved surface will produce a
In a terrestrial telescope, the focal length of objective is $90\, cm$, of inverting lens is $5\,cm$ and of eye lens is $6\,cm.$ If the final image is at $30 cm$, then the magnification will be
A variable condenser is permanently connected to a $100$ $V$ battery. If the capacity is changed from $2\,\mu \,F$ to $10\,\mu \,F$, then change in energy is equal to
Given below are two statements:

statement$-I$ : The reactance of an ac circuit is zero. It is possible that the circuit contains a capacitor and an inductor.

Statement$-II$ : In $ac$ circuit, the average power delivered by the source never becomes zero.

In the light of the above statements, choose the correct answer from the options given below

A $20\, kg$ block is initially at rest on a rough horizontal surface. A horizontal force of $75 \,N$ is required to set the block in motion. After it is in motion, a horizontal force of $60\, N$ is required to keep the block moving with constant speed. The coefficient of static friction is
When the convergent nature of a convex lens will be less as compared with air