Exam 24: Alternating Current Circuits

For _____________ inductors, the branch currents can be added algebraically.

X_L is a phasor quantity with a 90° phase angle.

In using double subscripts, the first letter in the subscript is the

What indicates the resistive component and is the power factor for a resistive / reactive circuit?

For series inductors, the voltage drops can be added algebraically, since each voltage drop has the same phase relationship with respect to the series current.

Opposite reactive branch currents are

Volt-amperes at the angle of 90° are called

In a parallel circuit, ? is the angle whose

What does not dissipate power but stores energy in an electric or magnetic field?

The wattmeter is an example of what type meter movement?

In a parallel circuit, q is the angle whose

Exactly opposite reactive branch currents are 180° out of phase with each other.

The D'Arsonval moving coil type meter ______________ read if it is used in an ac circuit.

When V and I are out of phase because of reactance, the product of V times I is called ______________ power.

For a series RLC circuit, Z_T can be _____________ either X_L or X_C alone.

Unity power factor means a

Volt-amperes at the angle of 90° are called

In general, when the series resistance and reactance are equal, Z_T is 1.414 times either value.

In a resistor

When V and I are out of phase because of reactance, the product of V times I is called