Advertisements
Advertisements
प्रश्न
From where does the electricity come to our home ?
Advertisements
उत्तर
In our homes electricity comes from the CITY SUBSTATION.
APPEARS IN
संबंधित प्रश्न
All electrical appliances in a household circuit work at the same voltage.
In a household electrical circuit, the appliance are connected in ............with the mains.
What is an electric meter? Where is it fixed in our house?
One day the meter reading is found to be 7643 units while the next day, it was 7657 units. What is the consumption of electricity in a day?
Figure shows two ways of connecting the three bulbs A, B and C to a battery. Name the two arrangements. Which of them do you prefer to use in a household circuit? Give a reason to support your answer.
In a premise 5 bulbs each of 100 W, 2 fans each of 60 W, 2 A.Cs each of 1.5 kW is used for 5 h per day. Find:
- Total power consumed per day,
- Total power consumed in 30 days,
- Total electrical energy consumed in 30 days.
- The cost of electricity at the rate of ₹ 6.25 per unit.
State and define the household unit of electricity.
Two lamps, one rated 220 V, 50 W and the other rated 220 V, 100 W, are connected in series with mains of 220 V. Explain why does the 50 W lamp consume more power.
Two bulbs are rated 60 W, 220 V and 60 W, 110 V respectively. Calculate the ratio of their resistances.
An electrical appliance is rated as 60 W – 150 V.
How much current will flow through the appliance when in use?
