Physics

    Current Electricity
    The neutral wire carries
    Author: rikazzz Comment
    Physics
    The safest hammers are those with heads that are
    The safest hammers are those with heads that are alloy and drop-forged steel.
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    Physics
    Radio waves sent out by a radio stations are reflected by
    This is a layer of atmosphere about 60 to 70 km above the earth and extends to about 400km. It contains ionised particles which can reflect radio waves making radio communication round the world possible.
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    Physics
    Which of the following is a conductor of electricity ?
    Salt water is a conductor of electricity.
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    Physics
    A Step-Up transformer increases
    A Step-Up transformer increases voltage.
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    Work and Energy
    During interconversion of energy the total energy
    Author: rikazzz Comment
    Electrostatics
    The electric field 30cm away from a light bulb is roughly
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    Turning Effect of Forces
    If after a slight tilt the body does not return to its previous equilibrium, then it is said to be in
    Author: rikazzz Comment
    Physics
    Skating on ice is possible because
    Skating on ice is possible because the pressure on the ice due to skate melts the ice by lowering its melting point forming a thin film of water.
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    Basic Electronics
    A cathode ray oscilloscope consists of
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