The Earth rotates 360° in 24 hours, which means it rotates 15° per hour. This forms the basis for time zones, with each 15° representing one hour of time difference. The correct option is (C) 15°. Class 6 NCERT Social Science ...
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The Equator is the largest parallel of latitude, dividing the Earth into equal halves and marking 0° latitude. It represents the widest part of the Earth’s circumference. The correct option is (C) Equator. Class 6 Social Science Chapter 1 Locating Places ...
The Prime Meridian is located at 0° longitude. It serves as the starting point for measuring longitude and divides the Earth into the Eastern and Western Hemispheres. The correct option is (B) 0°. Class 6 Social Science Chapter 1 Locating Places ...
Longitude measures the angular distance east or west from the Prime Meridian, which is at 0° longitude. It helps in identifying a location’s position relative to the Prime Meridian. The correct option is (B) Longitude. Class 6 Social Science Chapter 1 ...
The Equator is an imaginary line circling Earth at 0° latitude, dividing it into Northern and Southern Hemispheres. It represents the midpoint between the North and South Poles. Class 6 Social Science Exploring Society: India and Beyond Class 6 Social Science Chapter ...
An electric heater is a household appliance that operates based on the heating effect of electric current. When electric current flows through the heating element, it converts electrical energy into heat energy, providing warmth.
An electric lamp of 100 watts used for 10 hours in a day consumes 1 kilowatt hour (kWh) of energy, which is equivalent to 1 unit of energy. This is calculated by converting the total watt-hours into kilowatt-hours.
If a 100-watt electric bulb burns for 10 hours, it consumes 1 kilowatt hour (kWh) of electricity. Since electricity is sold at the rate of Rs 5 per unit, the cost of running the bulb for 10 hours will be ...
Kilowatt hour (kWh) is a unit of electrical energy. It measures the amount of energy consumed or produced over time. One kilowatt hour represents the energy used by a device with a power rating of one kilowatt operating for one ...
Benjamin Franklin invented the lightning conductor in the 18th century. His invention provided a method to protect buildings and structures from lightning damage by safely directing the electrical discharge into the ground.