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Calculate the units of energy consumed b...

Calculate the units of energy consumed by 100W electric bulb in 5 hours,

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To calculate the energy consumed by a 100W electric bulb in 5 hours, we can follow these steps: ### Step 1: Understand the relationship between power, energy, and time The formula for energy consumed (in joules) is given by: \[ \text{Energy (E)} = \text{Power (P)} \times \text{Time (t)} \] Where: ...
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Knowledge Check

  • An electric lamp of 120 W is used for 8 hours per day. Calculate the units of energy consumed by the lamp in one day.

    A
    16.00 unit
    B
    1.50 unit
    C
    0.96 unit
    D
    2.00 unit

  • An electric lamp of 120 W is used for 8 hours per day. Calculate the units of energy consumed by the lamp in one day.

    A
    16.00 unit
    B
    1.50 unit
    C
    0.96 unit
    D
    2.00 unit

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

    100 W, 220 V bulb is coonected to 110 V source. Calculate the energy consumed (in unit of electricity) by the bulb in 1 hour.

    Pranith received an electric bill for the month of April. He started verifying it by calculating the electrical energy consumed by a 2000 W electrical appliance that is used for two hours every day in his workshop. In his house he used bulbs of 100 W for 4 hours every day in the month of April, which consumes the same electrical energy as that of the electrical appliance in the work shop. Find the number of bulbs Pranith uses in his house.

    Pranith recived an electric bill for the month of April. He started verifying it by calculating the electrical energy consumed by a 2000 W electrical appliance that is used for two hours every day in his workshop. In his house he used bulbs of 100 W for 4 hours every day in the month of april, which con-sumes the same electrical energy as that of the elec-trical appliance in the work shop. Find the number of bulbs Panith uses in his house.

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