1.

The amount of energy transferred when 10C of charge passes through a potential difference of 20 V is the same as the energy needed to raise a 2kg mass through a distance x. Find the value of x, take the value of g as 10 m/s2

Answer»

Given: 

Mass of the object = 2 kg, 

Charge = 10 C, 

Potential difference = 20 V, 

Calculations: 

We know that the Energy transferred which a charge q is moved through a potential difference V is given by 

E = q . V 

Where, 

Q is the charge 

V is the potential difference 

Also gravitational potential energy stored in an object is given as: 

E= m× g× H 

Where,

M is the mass of the object, 

G is gravitational acceleration, 

H is the displacement, 

As per the problem both are equal, 

m.g.x = q. V 

Putting the values in tehequation, we get 

2× 10× x = 10. 20 

x = \(\frac{20}{2}\)

= 10 meters.


Discussion

No Comment Found

Related InterviewSolutions