Question

Which curve may best represent the current deflection in a tangent galvanometer

(a) A

(b) B

(c) C

(d) D

Answer

(b) B

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

In an elastic collision:
  1. The kinetic energy remains constant.
  2. The linear momentum remains constant.
  3. The final kinetic energy is equal to the initial kinetic energy.
  4. The final linear momentum is equal to the initial linear momentum.
An electric dipole placed in a uniform elecrtric field exepriences:
On charging by conduction, mass of a body may:
Particle like behavior of light arises from the fact that each quanta of light has definite ...X... and a fixed value of ...Y.. just like a particle, Here, X and Y refer to?
A dielectric slab is inserted between the plates of an isolated capacitor. The force between the plates will:
  1. Increase.
  2. Decrease.
  3. Remain unchanged.
  4. Become zero.

A sinusoidal voltage of peak value 200 volt is connected to a diode and resistor R in the circuit shown so that half wave rectification occurs. If the forward resistance of the diode is negligible compared to R the rms voltage (in volt) across R is approximately

(a) 200

(b) 100

(c)  

(d) 280

The potential at a point, due to a positive charge of 100μC  at a distance of 9m, is

(a)  V

(b)  V

(c)  V

(d)  V

A pendulum bob of mass 30.7   and carrying a charge   is at rest in a horizontal uniform electric field of 20000 V/m. The tension in the thread of the pendulum is (g = 9.8  

(a) 3  

(b) 4  

(c) 5  

(d) 6  

The wires 1 and 2

The mean electric energy density between the plates of a charged capacitor is (here q = charge on the capacitor and  A = area of the capacitor plate)

(a)  

(b)

(c)    

(d) None of the above