YAL JUST TELL ME FOUR WAYS TO MAKE AN ELECTROMAGNET STRONGER

Reduce Resistance

Another way of increasing the current is to reduce the resistance. A more conductive wire could be used, or the circuit can be shortened between the electrical source and the magnet.

Increase Voltage

Another way of increasing the current is to use a higher electromotive force, or voltage. The relevant formula is V=IR, the definition of resistance. If V is the drop in electric potential over the entire circuit, and R is the resistance over the entire circuit, the current (I) through any point of the circuit can be increased by an increase in the applied voltage.

Switch From AC to DC

If the circuit is powered by alternating current, another possibility is to switch to direct current of the same voltage. The reason that a direct current is superior is because an alternating current switches the magnetic polarity of the magnet before it has time to build full strength

Explanation:

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5 w for 1hr = 5x60x60 joules=300x60=3000x6=18,000j as total energy conversion. efficiency of bulb needed for radiant to thermal within 18000

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something from nucleus has changed, but charge must be same for cons of charge