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There are two electric bulbs rated 60W. 110V and 100W, 110V. They are connected in series with a 220V d.c. supply. Will any bylb fuse? What will happen if they are connected in parallel with the same supply?

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Two electric bulbs marked 25 W - 220 V and 100W-220V are connected in series to a 440V supply. Which of the bulb will fush ?

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Knowledge Check

  • Two electric bulbs marked 25W-220V and 100W-220V are connected in series to a 440 V supply. Which of the bulbs will fuse ?

    A
    both
    B
    100W
    C
    25W
    D
    neither

  • Two electic bulbs marked 25 W -220 V and 100 W - 220 V are connected in series to a 440 V supply. Which of the bulbs will fuse?

    A
    Both
    B
    100 W
    C
    25 W
    D
    Neither

  • If two bulbs of 25 W and 100 W, rated at 220 V, are connected in series across a 440 V supply

    A
    25 W bulb will fuse
    B
    100 W bulb will fuse
    C
    none will fuse
    D
    both will fuse

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    An electric heater and an electric bulb are rated 500W. 220V and 100W, 220V respectively. Both are connected in series to a 220V d.c. mains. Calculate the power consumed by (i) the heater ana (ii) electric bulb.

    If two bulbs of 25 W and 100 W rated at 220 V are connected in series across a 440 V supply, will both the bulbs fuse ? If not which one ?

    Ten 60W,220V bulbs are connected in series to 220V supply.Power consumed in the circuit is

    These are two electric bulbs A and B rated 50W-100V , 100W-100V respectively. The bulbs are connected with a 200V dc supply. The bulb A will fuse, if in series (ii) The bulbs B will fuse , if in series The bulb A will fuse, if in parallel (iv) The bulb B will fuse if in parallel

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