How can we increase the strength of an electromagnet
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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.
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.
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By increasing the supply of current to the electromagnet
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