Home
Class 10
PHYSICS
What is a source of energy ?...

What is a source of energy ?

Text Solution

Verified by Experts

A source of energy is a system in which output is more than the input. The difference between output and input is the useful energy given by the source.
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • SOURCES OF ENERGY

    PRADEEP|Exercise Additional(short answer)|32 Videos

  • SOURCES OF ENERGY

    PRADEEP|Exercise Additional(Long answer)|6 Videos

  • SOURCES OF ENERGY

    PRADEEP|Exercise Exemplar(Long Answer)|7 Videos

  • REFLECTION AND REFRACTION

    PRADEEP|Exercise NCERT EXEMPLAR PROBLEMS|19 Videos

  • THE HUMAN EYE AND COLOURFUL WORLD

    PRADEEP|Exercise (Mock Test)Sec - B|6 Videos

Similar Questions

Explore conceptually related problems

What is the source of energy for an artificial satellite ?

What is the source of energy for muscle contraction?

Knowledge Check

  • What is the source of energy that flows through the living world ?

    A
    Photosynthesis
    B
    Chemical bond
    C
    Green plant
    D
    Sun

    • Similar Questions

    Explore conceptually related problems

    What is the source of energy used during photosynthesis ?

    What is the source of energy in nuclear fission and fusion ?

    What is the source of energy associated with propagating em waves?

    What is the source of energy for an artificial satellite? Can this source of energy be used to run vehicles on the Earth?

    When two stones are rubbed together, they become hot. What is the source of energy for this increase in thermal energy?

    (a) What is the source of energy of this sun and other stars ? (b) Describe the working of a hydrogen bomb. (c ) What is common between the sun and a hydrogen bomb ?

    State the working of a.c. generator with the help of a labelled diagram. The coil of an a.c. generator having N turns, each of area A, is rotated with a constant angular velocity omega . Deduce the expression for the alternating emf generated in the coil. What is the source of energy generation in this device?

    Home
    Profile