MCQ
What is the effective capacitance between points $X$ and $Y$.......$\mu F$
  • A
    $24$
  • B
    $18$
  • C
    $12$
  • $6$

Answer

Correct option: D.
$6$
d
(d) The given figure is equivalent to a balanced Wheatstone’s bridge, hence ${C_{eq}} = 6\,\mu F$

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

Assertion : Soft iron is used as a core of transformer.
Reason : Area of hysteresis is loop for soft iron is small.
An X-ray machine has an accelerating potential difference of 25,000 volts. By calculation the shortest wavelength will be obtained as (h = $6.63 \times 10^{-34} \mathrm{~J}-\mathrm{sec}$; e =$ 1.6.\times 10^{-19} $ coulomb)
An air cored solenoid with length $20\, cm$, area of cross section $20\, cm^2$ and number of turns $400$ carries a current $2\, A$. The current is suddenly switched off within $10^{-3}\,s$. The average back $emf$ induced across the ends of the open switch in the circuit is (ignore the variation in magnetic field near the ends of the solenoid)........$ V$
Electrically, photons are:
The deflection in a moving coil galvanometer is
L, C and R represent physical quantities-inductance, capacitance and resistance respectively. The one which has same dimensions as time is:
Magnetic lines of force due to a bar magnet do not intersect because:
A small particle of mass $m$ moves in such a way that its potential energy $U=\frac{1}{2} m \omega^2 r ^2$ where $\omega$ is constant and $r$ is the distance of the particle from origin. Assuming Bohr's quantization of momentum and circular orbit, the radius of $n^{\text {th }}$ orbit will be proportional to.
Find the current in the $10\, \Omega$ resistance
An ac-circuit having supply voltage $E$ consists of a resistor of resistance $3\Omega$ and an inductor of reactance $4\Omega$ as shown in the figure. The voltage across the inductor at $t = \pi /\omega$ is.......$volts$