4th Class Science Force, Work and Energy Question Bank Force Work and Energy

  • question_answer
    Match the following devices in Column - I with their energy transformations Column - II correctly.
    Column - I Column - II
    p. Electric fan     i. Electrical to light and sound
    q. Electric bulb    ii. Chemical to electrical
    r. Petrol engine   iii. Electrical to mechanical
    s. Television iv. Electrical to light
    t. Battery      V Chemical to mechanical

    A)  \[p-i,q-iv,r-v,s-iii,t-ii\]

    B)  \[p-v,\text{ }q-iii,\text{ }r-i,\text{ }s-ii,\text{ }t-iv\]

    C)  \[p-iii,q-iv,r-v,s-i,t-ii\]

    D)  \[p-iv,\text{ }q-iii,\text{ }r-i,\text{ }s-v,\text{ }t-ii\]

    Correct Answer: C

    Solution :

    The following is the correct combination: Electric fan - Electrical to mechanical Electric bulb - Electrical to light Petrol engine - Chemical to Mechanical Television - Electrical to light and sound. Battery - Chemical to electrical


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