Advertisements
Advertisements
प्रश्न
What is ‘Rating’ of an electric appliance?
Advertisements
उत्तर
Rating of an electric appliance indicates energy consumed per second or watt when connected to a supply of given voltage.
संबंधित प्रश्न
Which one has a higher electrical resistance : a 100 watt bulb or a 60 watt bulb?
What is meant by "electric power"?
An electric bulb is rated ‘100 W, 250 V’. What information does this convey?
An electrical appliance having a resistance of 200Ω is operated at 200 V. Calculate the energy consumed by the appliance in 5 minutes (i) in joules (ii) in kWh.
A battery of e.m.f 15 V and internal resistance 2 Ω is connected to two resistors of resistance 4 ohm and 6 ohm joined in series. Find the electrical energy spent per minute in 6 ohm resistor.
State the position of heating element with respect to principal focus of concave reflector and give reason for choosing this position.
Why is the electric power from the generating station transmitted at high voltage?
A family uses a light bulb of 100W, a fan of 100W, and a heater of 1000W, each for 8 hours a day. If the cost of electricity is Rs. 2 per unit, what is the expenditure to the family per day, on electricity?
