MCQ
In parallel combination of capacitors, the effective capacitance:
  • A
    Decreases.
  • B
    Increases.
  • C
    Remains same.
  • D
    None.

Answer

  1. Increases.

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 magnetic field produced by a current - carrying wire at a given point depends on:

  energy. The emitted particle is

(a) Neutron

(b) Proton

(c) α - particle

(d) Neutrino

An uncharged capacitor is connected to a battery. On charging the capacitor

(a) All the energy supplied is stored in the capacitor

(b) Half the energy supplied is stored in the capacitor

(c) The energy stored depends upon the capacity of the capacitor only

(d) The energy stored depends upon the time for which the capacitor is charged

In the circuit shown below,  The reading of the voltmeter V is

(a) 12 V   

(b) 8 V

(c) 20 V

(d) 16 V

100 mA current gives a full scale deflection in a galvanometer of 2Ω  resistance. The resistance connected with the galvanometer to convert it into a voltmeter to measure 5V is

(a) 98 Ω  

(b) 52 Ω

(c) 50 Ω   

(d) 48 Ω

Two identical air filled parallel plate capacitors are charged to the same potential in the manner shown by closing the switch S. If now the switch S is opened and the space between the plates is filled with a dielectric of relative permittivity εr​, then:

Which of the following statements are true?
A metal block is exposed to beams of X-ray of different wavelength. X-rays of which wavelength penetrate most?
Lenz's law is a consequence of the law of conservation of:

If three capacitors each of capacity 1μF are connected in such a way that the resultant capacity is 1.5 μF,  then

(a) All the three are connected in series

(b) All the three are connected in parallel

(b) All the three are connected in parallel

(d) Two of them are in series and then connected in parallel to the third