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Q: What does i2rt mean?
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How do you find the number of amps in the equation E equals Pt?

Energy E= Pt = I2Rt give I= square -root(E/Rt)


What is the unit for the equation H equals I2Rt?

The equation is referring to: * H = Heat in Watts * I = Current in Amperes, (therefore I2 = Current squared) * R = Resistance in Ohms * T= Time in Seconds or .....The amount of heat in a conductor would be: Current (Squared) x Resistance x Time


Does all movement have energy?

Energy is nothing more then movement. If you look at all the formula's for movement they are stating that the amount of energy effects how fast a substance is moving (K 1/2 v2 or E I2RT or Emc2).So all movement requires energy because it is energy. The Universe is composed of energy transferring itself through matter in a cycle.


What is the theory of converting electrical energy into heat energy?

Electricity does work (W =I2Rt) ) on a conductor, causing its internal energy (U) to rise. This rise in internal energy is accompanied by a rise in temperature, resulting in heat transfer (Q) from the conductor to the surroundings. It should be pointed out that the term 'heat energy' is no longer used -heat is simply energy transfer caused by a difference in temperature.


What quantities do you need to calculate the amount of heat generated by an electrical appliances?

Heat (symbol: Q) is defined as energy in transit between a higher temperature and a lower temperature. This is determined from the following general equation:W - Q = m c (Tf - Ti)Where,W = work done (= I2Rt)Q = heat transferm = mass of conductorc = specific heat capacity of conductorTf = final temperature of conductorTi = initial temperature of conductor


12 basic formulas in electricity?

Basic formulae in current and electricity:- F=k(q1q2/r2) q=it V=iR R=Þ(l/A) C=Þ(A/l) Q=i2Rt/J{i square Rt} P=W/t W=QJ E=hc/λ


An electric iron of resistance 20 ohms takes a current of 5A Calculate the heat developed in 30 seconds?

heat developed = 5*5*20*30 = 15000 joulesAnswerWith the information supplied, you can only determine the work done (W) by the circuit, not the heat (Q). To do so, you will need to know the mass (m) and specific heat capacity (C) of the conductor, and the temperature-difference between the conductor and its surroundings. The equation you need to do this is:W - Q = m C (Tf-Ti)With the information supplied, you can only calculate the work done: W = I2Rt.


Who was king Henry and what did he do?

he was a mean person who lived with mean people in a mean castle on a mean hill in a mean country in a mean continent in a mean world in a mean solar system in a mean galaxy in a mean universe in a mean dimension


What does (.)(.) mean?

you mean what you mean


What does mean mean in statistics?

Mean is the average.


How do you spell mean?

Mean


What does descriptor mean?

It mean what you don't what does it mean.