Home/ Mukesh Pandit/Best Answers
  1. Asked: January 30, 2022In:

    If two lamps of 100W and 40W are connected in series across 230V ac supply, the 100W lamps will glow brighter.

    Mukesh Pandit
    Mukesh Pandit NCT# Chief Marketing Officer

    False

    False

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  2. Asked: January 30, 2022In:

    The resistance of a tungsten filament lamp decreases with the increase in supply voltage.

    Mukesh Pandit
    Mukesh Pandit NCT# Chief Marketing Officer

    False

    False

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  3. Asked: January 28, 2022In:

    Two heater coils of the same material are connected in parallel across the supply. Coil A has a diameter and length double that of Coil B. Coil B will produce more heat.

    Mukesh Pandit
    Mukesh Pandit NCT# Chief Marketing Officer

    False

    False

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  4. Asked: January 28, 2022In:

    The heating effect of electric current is always desirable.

    Mukesh Pandit
    Mukesh Pandit NCT# Chief Marketing Officer

    False

    False

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  5. Asked: January 28, 2022In:

    The voltage drop across each resistor is the same in the case of a series circuit.

    Mukesh Pandit
    Mukesh Pandit NCT# Chief Marketing Officer

    False

    False

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  6. Asked: January 28, 2022In:

    The power rating of a resistor largely depends on the physical size of the resistor.

    Mukesh Pandit
    Mukesh Pandit NCT# Chief Marketing Officer

    True

    True

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  7. Asked: January 28, 2022In:

    The values of the temperature coefficient of resistance of a given conductor are the same at different temperatures.

    Mukesh Pandit
    Mukesh Pandit NCT# Chief Marketing Officer

    False

    False

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  8. Asked: January 28, 2022In:

    The specific resistance of copper increases with the increase in temperature.

    Mukesh Pandit
    Mukesh Pandit NCT# Chief Marketing Officer

    True

    True

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  9. Asked: January 28, 2022In:

    With the rise in temperature the insulating property of the insulator gains.

    Mukesh Pandit
    Mukesh Pandit NCT# Chief Marketing Officer

    False

    False

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  10. Asked: January 28, 2022In:

    The substances having a large number of free electrons and offering low resistance are called insulators.

    Mukesh Pandit
    Mukesh Pandit NCT# Chief Marketing Officer
    This answer was edited.

    False

    False

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