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# Electronic

Calculation formula： T2 (off-time) = 0.693 * R2 * C1 T = 0.693*( (R1 + 2R2) * C1) F = 1/ T = 1.44 / ( (R1 + 2R2) * C1) D = (T1 .......
The resistance of the conductor is usually represented by the letter R. The unit of resistance is ohm, referred to as Europe, and.......
The resistance of the conductor is usually represented by the letter R. The unit of resistance is ohm, referred to as Europe, and.......
The resistance of the conductor is usually represented by the letter R. The unit of resistance is ohm, referred to as Europe, and.......
Online calculation of motor current power Motor current calculation formula: Single item: $$I= \frac {P}{220×Cosφ·η}$$ Three item.......
Motor power calculation formula: Single item: $$P=I×220×Cosφ·η$$ Three items: $$P=I×1.73×380×Cosφ·η$$ (The single-item motor power.......
Standard resistance resistance quick reference table The American Electronics Industry Association defines a standard resistance.......
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