Besides increasing the frequency, which would increase the inductive reactance X_L?

Besides increasing the frequency, which would increase the inductive reactance X_L?

• A. Decrease Inductance L
• B. Increase Inductance L
• C. Increase Resistance R
• D. Increase Capacitance C

Answer: (B)

Inductive reactance grows with both frequency and inductance. The relationship is X_L = ωL, where ω = 2πf. So at a fixed frequency, increasing the inductance L makes X_L larger. For example, doubling L doubles X_L. The resistance R and the capacitance C don’t change the inductive reactance itself (X_L depends only on L and f, while X_C depends on C). Therefore, increasing L is the way to increase X_L besides raising the frequency.

Inductive reactance grows with both frequency and inductance. The relationship is X_L = ωL, where ω = 2πf. So at a fixed frequency, increasing the inductance L makes X_L larger. For example, doubling L doubles X_L. The resistance R and the capacitance C don’t change the inductive reactance itself (X_L depends only on L and f, while X_C depends on C). Therefore, increasing L is the way to increase X_L besides raising the frequency.