Resistance(Ohms)= Voltage(volts)/Current (Ampheres)
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The formula for electrical resistance is R = V/I, where R is resistance in ohms, V is voltage in volts, and I is current in amperes.
R is the electrical resistance,A is the cross-sectional area,l is the length of the piece of material.
Resistance, or electrical resistanceResistance, or electrical resistanceResistance, or electrical resistanceResistance, or electrical resistance
Sugar is not used in electrical circuits.
The filament in an incandescent light bulb resists the flow of electricity. Copper wire has relatively low electrical resistance, making it a common choice for transmitting electricity. Insulators, such as rubber or plastic, have high electrical resistance, which prevents the flow of electricity.
Thermal resistance: diamond Electrical resistance: copper Optical resistance: quartz