Find the potential difference required to pass a current of

Reference no: EM131702626

Q1.

(I) write the formula of kinetic energy.
(II) Write the part of mechanical energy
(iii) one horse power =..........watt
(iv) KWH is the unit of
(v) Write the formula of power state its SI unit
(vi) Write two factor affecting of resistance

Q2. Find the potential difference required to pass a current of 0.2A in wire of resistance 20 ohm.

Q3. Write the four form of energy

Q4. Write difference between kinetic energy and potential energy.

Q5. Two body of equal mass are moving with uniform velocity v and 2v find the ratio of their kinetic Energy

Q6. How is the kinetic energy of a moving cart affected if

(i) Its mass is double
(ii) Its velocity reduce to 1/3 rd of the initial velocity

SECTION B

Q7. Derive work energy theorem

Q8. Derive the relation between kinetic energy and momentum

Q9.

(i) Explain ohms law with graph
(ii) In electric circuit having current is 2A and potential difference is 40V calculate the resistance

Q10. A body of mass 60 kg has the momentum 3000 kg m/sec calculate :-

(i)Kinetic energy
(ii) speed of the body

Reference no: EM131702626

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