MCQ
The electric field inside a hollow conducting sphere:
  • A
    Increases towards the centre.
  • B
    Decreases towards the centre.
  • C
    Is finite and constant throughout.
  • D
    Is zero.

Answer

  1. Is zero.

Explanation:

As there are no charges inside the hollow conducting sphere, as all charges reside on it surface. So, electric field inside the hollow conducting sphere is zero.

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 cell of e.m.f 1.5 V having a finite internal resistance is connected to a load resistance of 2Ω. For maximum power transfer the internal resistance of the cell should be

(a) 4 ohm

(b) 0.5 ohm

(c) 2 ohm  

(d) None of these

Two coaxial solenoids 1 and 2 of the same length are set so that one is inside the other. The number of turns per unit length are   and . The currents  and  are flowing in opposite directions. The magnetic field inside the inner coil is zero. This is possible when

(a)  and  

(b)  

(c)   and  

(d)

The fact that electric charges are integral multiples of the fundamental electronic charge was proved experimentally by

(a) Planck

(b) J.J. Thomson

(c) Einstein

(d) Millikan

Assertion :  The ion cannot move with a speed beyond a certain limit in a cyclotron.

Reason     : As velocity increases time taken by ion increases.

(a) If both assertion and reason are true and the reason is the correct explanation of the assertion.

(b) If both assertion and reason are true but reason is not the correct explanation of the assertion.

(c) If assertion is true but reason is false.

(d) If the assertion and reason both are false.

The capacitance of a parallel plate condenser does not depend on

(a) Area of the plates

(b) Medium between the plates

(c) Distance between the plates

(d) Metal of the plates

In a step up transformer, if ratio of turns of primary to secondary is 1 : 10 and primary voltage is 230 V. If the load current is 2A, then the current in primary is

(a) 20 A   

(b) 10 A

(c) 2 A     

(d) 1 A

In Young’s double slit experiment, the aperture screen distance is 2m. The fringe width is 1 mm. Light of 600 nm is used. If a thin plate of glass (m = 1.5) of thickness 0.06 mm is placed over one of the slits, then there will be a lateral displacement of the fringes by

(a) 0 cm  

(b) 5 cm

(c) 10 cm

(d) 15 cm

A person travelling on a straight line moves with a uniform velocity v1 for a distance x and with a uniform velocity v2 for the next equal distance. The average velocity v is given by:

  1. $\text{v}=\frac{\text{v}_1+\text{v}_2}{2}$

  2. $\text{v}=\sqrt{\text{v}_1\text{v}_2}$

  3. $\frac{2}{\text{v}}=\frac{1}{\text{v}_1}+\frac{1}{\text{v}_2}$

  4. $\frac{1}{\text{v}}=\frac{1}{\text{v}_1}+\frac{1}{\text{v}_2}$

A  at rest decays into 2γ  rays . Then which of the following can happen

(a) The two   move in same direction

(b) The two   move in opposite direction

(c) Both repel each other

(d) Both attract each other

Electrostatic is the branch of physics which deals with the: