How do you find the specific heat capacity using the electrical method?
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How do you find the specific heat capacity using the electrical method?
Electrical method of calculating specific heat capacity of solid/liquid is described by
- A. P=mcΔT.
- B. Pt=mcΔT.
- C. P=mc/ΔT.
- D. Pt=mc/ΔT.
What is the specific heat capacity of water by electrical heating method?
4,200 J/kg°C
The actual value for the specific heat capacity of water is 4,200 J/kg°C.
What is electrical method?
A geophysical prospecting method that depends on the electrical or electrochemical properties of rocks. The resistivity, spontaneous-polarization, induced-polarization, and inductive-electromagnetic methods are the principal electrical methods.
How do you calculate specific heat capacity experimentally?
Steps to determine the specific heat capacity.
- Place a beaker on a balance and press zero.
- Now add the oil to the beaker and record the mass of the oil.
- Read the starting temperature of the oil.
- Connect a joulemeter to the immersion heater.
- Time for thirty minutes.
What is CP and CV for water?
For liquid at room temperature and pressure, the value of specific heat capacity (Cp) is approximately 4.2 J/g°C. This implies that it takes 4.2 joules of energy to raise 1 gram of water by 1 degree Celsius. This value for Cp is actually quite large. This (1 cal/g.
What is electromagnetic method?
1. n. [Geophysics] A group of techniques in which natural or artificially generated electric or magnetic fields are measured at the Earth’s surface or in boreholes in order to map variations in the Earth’s electrical properties (resistivity, permeability or permittivity).
What is electrical method of magnetisation?
For electrical method of magnetisation, a direct current flowing into a solenoid produces a magnetic field inside the coil that is uniform in strength and direction.
What is the method of mixture and how is it used to determine specific heat?
A method of determining the heat of fusion of a substance whose specific heat is known, in which a known amount of the solid is combined with a known amount of the liquid in a calorimeter, and the decrease in the liquid temperature during melting of the solid is measured.
How do you calculate CP and CV?
Now, ratio of specific heats γ is given as:
- γ=CpCv=R(1+f2)(f2)R.
- =(2+f)f.
- Or γ=CpCv.
- So, we can also say that,CpCv=(1+2f)
What is CP and CV heat capacity?
CV: CV is the amount of heat energy that a substance absorbs or releases (per unit mass) with the change in temperature where a volume change does not occur. CP: CP is the amount of heat energy that a substance absorbs or release (per unit mass) with the change in temperature where a pressure change does not occur.
How do you calculate heat in a circuit?
The heat generated in a circuit is given by Q=I2Rt, where I is current, R is resistance and t is time.
