ICSE Class 10: Electrical Energy and Power Videos | Joule's law of heating

• 'A geyser is rated 240 W-220 V'. Explain the meaning of this statement.
• a current of 4 amp flows in a wire of resistance 60 2. calculate: (a) power dissipated in the wire. (b) potential difference across the wire. (c) electrical energy consumed in 2 minutes.
• Define Power
• exercise 8b q 14
  
• Five 100 w bulbs are used for 10 hours every day for 30 days. Find  the cost of electricity if the rate is Rs.4.00 per unit.  

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