Answer

  1. 0

Explanation:

Since the total charge on a capacitor is given by sum of the charges on the two parallel plates, here charge on each plate is equal and opposite, hence –Q + Q = 0. Therefore, the total charge on the capacitor is 0.

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 frequency of a light ray is 6 . Its frequency when it propagates in a medium of refractive index 1.5, will be

(a) 1.67  

(b) 9.10  

(c) 6  

(d) 4  

The process on an ideal gas, shown in figure. is:
  1. Isothermal.
  2. Isobaric.
  3. Isochoric.
  4. None of these.

The electron mobility in N-type germanium is 3900 cm2/v-s and its conductivity is 6.24 mho/cm, then impurity concentration will be if the effect of cotters is negligible

(a) 1015 cm3

(b) 1013 /cm3

(c) 1012 /cm3

(d) 1016 /cm3

Which of the following quantities do not depend on the choice of zero potential or zero potential energy?
  1. Potential at a point.
  2. Potential difference between two points.
  3. Potential energy of a two-charge system.
  4. Change in potential energy of a two-charge system.
1 tesla is equal to:

The PN junction diode is used as

(a) An amplifier

(b) A rectifier

(c) An oscillator

(d) A modulator

The forces in which sum of kinetic energy and potential energy is conserved are called as:

A copper voltameter is connected in series with a heater coil of resistance 0.1 . A steady current flows in the circuit for twenty minutes and mass of 0.99 g of copper is deposited at the cathode. If electrochemical equivalent of copper is 0.00033 gm/C, then heat generated in the coil is

(a) 750 J  

(b) 650 J

(c) 350 J  

(d) 250 J

A positive charge is moving vertically upwards. When it enters a region of magnetic field directed towards north, what is the direction of the force on the charge?

An external resistance R is connected to a battery of e.m.f. V and internal resistance r. The joule heat produced in resistor R is maximum when R is equal to

(a)  r

(b)  

(c) 2r

(d) Infinitely large