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They are formed when warm and cold air masses meet in the atmosphere. They are found in the Troposphere.

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12y ago

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What is current and types of current?

Wow, this could take all day depending on how deep you want to go! Current is the 'Juice' that flows through an electrical circuit. Current has been compared to water for explanation purposes. Voltage is the pressure that a system has, and current is the amount of water that flows through the system. A water tower is 100ft above the ground. Let's say that it has 100ft of pressure. This would be analogous to the potential difference (voltage). Water can flow through the pipes at 10 gallons per minute, in Electro-Speak; this would be the current (amps, amperage), particles of electricy per time unit, (particles/sec, particles/millisecond, etc.). In your house you have a lamp that operates a 120 Volts AC (alternating current, as opposed to DC - Direct Current like that in your car battery). The lamp is 120 watts (for ex.) therefore according to Ohm's law, the First Commandment of Electricity), the lamp draws 1 amp. Current (I) = Power (watts)/Voltage, Therefore 10 120w lamps = 1200 watts (like a hair dryer) draws 10 amps, a 60-watt lamp bulb would draw half an amp (0.5a). Current is also X# Coulombs per second, a coulomb is (whole bunch) of Joules/second. A Joule is a tiny particle of energy.


Which layer of the earth do the convection currents occur?

Convection currents occur in the mantle, a semi-solid layer located beneath the Earth's crust. Heat from the Earth's core causes the material in the mantle to heat up, rise towards the crust, cool down, and then sink back towards the core, creating a circular motion of flow known as convection currents.


How do you pronounce lapis lazuli?

well i was always taught to say it as lap-ith-lath-uli but i have heard people pronouce it other ways such as lapi-lasu-lie lap-ish-lathoo-ley but i beleve the way i was taught is correct :)


What are two ways to make the magnetic field of an electromagnet stronger?

The two ways to increase the strength of a magnetic field of an electromagnet include increasing the current and increasing the number of wire revolutions around the iron bar. Having fewer windings weakens the electromagnetic strength.


What did one raindrop say to the other?

My plop Is bigger than your plop!