Question

A pellet carrying a charge of 0.5 coulombsaccelerated through a potential of 2000 voltsattains some kinetic energy equal to(1) 1000 erg 2) 1000 joule(3) 1000 kWh 4) 500 erg​

Answer 1

kinetic energy is simply given by qv

=0.5×2000

=1000J is the answer

Answer 2

The kinetic energy attained by the pellet is 1000 joules.

Explanation:

It is given that,

Charge, q = 0.5 C

It is accelerated through a potential of 2000 volts, V = 2000 volts

We need to find the kinetic energy attained by the pellet. It is given by :

$E=qV$

$E=0.5\ C\times 2000\ V$

E = 1000 Joules

So, the kinetic energy attained by the pellet is 1000 joules. Hence, this is the required solution.

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