Home
Class 12
PHYSICS
A house is fiited with 2 lamps rated 60 ...

A house is fiited with 2 lamps rated 60 w , 2 lamps rated 100 W each 3 fans rated 40 W each . If all the appliances run simultaneously by 200 V supply voltage , determine the magnitude of current that will be drawn from the mains . If each lamp works 5 h and each fan 15 H daily , calculate the monthly expenditure . ( 1 month = 30 d , cost of 1 BOT unit Rs . 2 )

Text Solution

Verified by Experts

The correct Answer is:
2.2 A , Rs.204
Promotional Banner

Topper's Solved these Questions

  • ELECTRIC ENERGY AND POWER

    CHHAYA PUBLICATION|Exercise ENTRANCE CORNER (Assertion - reason type )|5 Videos

  • ELECTRIC ENERGY AND POWER

    CHHAYA PUBLICATION|Exercise ENTRANCE CORNER (Multiple correct answers type )|4 Videos

  • ELECTRIC ENERGY AND POWER

    CHHAYA PUBLICATION|Exercise Problem Set - I|22 Videos

  • DIGITAL CIRCUITS

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|6 Videos

  • ELECTRIC FIELD

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|31 Videos

Similar Questions

Explore conceptually related problems

A house is fitted with 10 lamp rated 40w each, 5 fans rated 80 W each and a TV rated 80 W . If all the appliances work for 6 hours per day , how much electrical energy is consumed in a month ? What is its value in BOT unit ? (1month = 30 d )

If 10 bulbs of 40 each and 3 of 100w each run on the average for 5 hours a day, calculater the monthly bill.1 bot unit costs Rs2. (1 month = 30 d)

A light bulb is rated at 100 W for a 220V ac supply. Calculate the resistance of the bulb.

A light bulb is rated 100 W for 220 V ac supply of 50 Hz. Calculate the resistance of the bulb ,

A 220 V - 60 W electric lamp os connected to 220 V supply line . Determine the resistance of the lamp in incandescent state .

A man 6 ft tall walks away from the foot of a lamp-post 15 ft high at the rate of 3 mi/h How fast does his shadow lengthen?

2.2 kW power is supplied through a line of 10Omega resistance under 22000 V voltage differnce . What is the rate of heat dissipation in the line ?

Heat is produced at a rate given by H in a resistor when it is connected across a supply of voltage V. If now the resistance of the resistor is doubled and the supply voltage is made V/3 then the rate of production of heat in the resistor will be

A man 6 ft tall walks away from the foot of a lamp-post 15 ft high at the rate of 3 mi/h how fast does the tip of his shadow move?