What are three effects of electric current
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- magnetic effecf
- chemical effect
- electric effect
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Three effects of an Electric Current
Heating Effect Demonstrate with an electric coil in beaker of water plus thermometer.
Magnetic Effect* Demonstrate with an electromagnet (connected up to source of electricity).
Chemical Effect Demonstrate with a voltameter (see below).
Relationship between Work, Current, Resistance and Time
W = I2Rt*
Now Power is defined as the rate at which work is done, i.e. Power = Work/time, so Power = I2R
This is known as Joule’s Law
P = I2R
Joules Law states that the rate at which heat is produced in a conductor is proportional to the square of the current, provided its resistant is constant.
PLEASE MARK MY ANSWER AS A BRAINLIEST.
Heating Effect Demonstrate with an electric coil in beaker of water plus thermometer.
Magnetic Effect* Demonstrate with an electromagnet (connected up to source of electricity).
Chemical Effect Demonstrate with a voltameter (see below).
Relationship between Work, Current, Resistance and Time
W = I2Rt*
Now Power is defined as the rate at which work is done, i.e. Power = Work/time, so Power = I2R
This is known as Joule’s Law
P = I2R
Joules Law states that the rate at which heat is produced in a conductor is proportional to the square of the current, provided its resistant is constant.
PLEASE MARK MY ANSWER AS A BRAINLIEST.
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