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Commercial Electrical Energy
An electrical appliance uses a lot of electric energy when it is operated e.g., geysers heaters etc. The electrical energy consumed is dependent on the time for which a specific appliance of fixed power rating is used. However, the energy used in hour is denoted as `1 kWh=3.6 xx 10^6` joule. This is represented as 1 unit. Different electrical appliance have difference power consumption which is mentioned on the device clearly.

A bulb is rated `60 W, 220 V`. It signifies
Options:
(a) it consumes `60 J` power per second (b) it consumes `220 V` power per second
(c) it has `60 W` energy (d) None of the above

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