MCQ
If a variable frequency ac source is connected to a capacitor then with decrease in frequency the displacement current will:
  • A
    Increase
  • Decrease
  • C
    Remains constant
  • D
    First decrease then increase

Answer

Correct option: B.
Decrease

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

The zone in a semiconductor diode where no free charge carriers exists is known as the :
Which one is not the property of charge?
How is the potential within and on the surface of a conductor?
The ratio of magnetic moments of two bar magnet is $13 : 5$. These magnets are held together in a vibration magnetometer are allowed to oscillate in earth’s magnetic field with like poles together $15$ oscillation per minute are made. What will be the frequency of oscillation of system if unlike poles are together....$oscillations/min$
If two lenses of +5 diopters are mounted at some distance apart, the equivalent power will always be negative if the distance is
Assertion $(A):$ If the frequency of the applied $AC$ is doubled, then the power factor of a series $R-L$ circuit decreases.

Reason $(R):$ Power factor of series $R-L$ circuit is given by $\cos \theta=\frac{2 R }{\sqrt{ R ^2+\omega^2 L ^2}}$

Two point dipoles of dipole moment ${\vec P_1}$ and ${\vec P_2}$ are at a distance $x$ from each other and  ${\vec P_1}$ || ${\vec P_2}$. The force between the dipoles is
If an $8\,\Omega $ resistance and $6\,\Omega $ reactance are present in an $ac$ series circuit then the impedance of the circuit will be......$ohm$
A battery of $6\, volts$ is connected to the terminals of a three meter long wire of uniform thickness and resistance of the order of $100\,\Omega $. The difference of potential between two points separated by $50\,cm$ on the wire will be .......... $V$
A thin spherical conducting shell of radius R has a charge q. Another charge Q is placed at the centre of the shell. The electrostatic potential at a point p a distance $\frac{R}{2}$ from the centre of the shell is