For an inductor, the induced voltage, VL always ______________ the current by 90
ID: 1812452 • Letter: F
Question
For an inductor, the induced voltage, VL always ______________ the current by 90 degrees
Inductive reactance is measured in
The angle between the generator voltage and its current is the ______________ angle of the circuit.
The series voltage drops VR and VL have individual values that are ______________ degrees out of phase
______________ response is a temporary condition that exists only until the steady-state current is reached.
Xc and the RC time constant are both measures of the reaction of C to a change in _______________.
The power factor is a numerical ratio with a value between 0 and 1 equal to the ______________ of the phase angle.
When V and I are out of phase because of reactance, the product of V times I is called ______________ power
For _____________ inductors, the branch currents can be added algebraically
The ______________ power in watts can be calculated as I^2R
Calculate XL with L = 30mH and f = 1kHz
A parallel RL circuit has the values, R = 5kohms, XL = 5kohms. A voltage source of Vt = 10Vrms is connected in parallel to R and L. Determine the total current, It delivered by the voltage source Vt.
A series RC circuit has R = 1Mohm and C = 1microF. How long would it take for the capacitor to fully discharge if it is initially fully charged?
A circuit has real power = 300W and an apparent power of 500VA. Determine the power factor and phase angle
The time constant for an LR series circuit is T = 0.1s and R = 10ohms. Calculate the inductance L
Explanation / Answer
For an inductor, the induced voltage, VL always ___leads_____ the current by 90 degrees
Inductive reactance is measured in
The angle between the generator voltage and its current is the _______phase_______ angle of the circuit.
The series voltage drops VR and VL have individual values that are ____90__________ degrees out of phase
_________transient_____ response is a temporary condition that exists only until the steady-state current is reached.
Xcand the RC time constant are both measures of the reaction of C to a change in _____voltage__________.
The power factor is a numerical ratio with a value between 0 and 1 equal to the _______voltage to current_______ of the phase angle.
When V and I are out of phase because of reactance, the product of V times I is called ______________ power
For ___paralllel__________ inductors, the branch currents can be added algebraically
The ________total______ power in watts can be calculated as I^2R
Calculate XL with L = 30mH and f = 1kHz
A parallel RL circuit has the values, R = 5kohms, XL = 5kohms. A voltage source of Vt = 10Vrms is connected in parallel to R and L. Determine the total current, It delivered by the voltage source Vt.
2e^.oo1t
A series RC circuit has R = 1Mohm and C = 1microF. How long would it take for the capacitor to fully discharge if it is initially fully charged?
V*e^t
A circuit has real power = 300W and an apparent power of 500VA. Determine the power factor and phase angle
0.99
The time constant for an LR series circuit is T = 0.1s and R = 10ohms. Calculate the inductance L
R/L=T
so L=100H
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