Related Questions

An ohmmeter is connected across an inductor and the pointer indicates zero ohms. The inductor is
A Good
B Open
C Shorted
D Partly shorted
Inductance is the property of an inductor that produces an opposition to any change in current.
A True
B False
When the resistor voltage in a series RL circuit becomes less than the inductor voltage, the phase angle
A Increases
B Decreases
C Is not affected
D Cannot be determined
The total inductive reactance of a parallel inductor circuit is:
A equal to the sum of the individual inductive-reactance values
B equal to the sum of the individual inductance values
C equal to the source voltage divided by total current
D less than the inductance value of the smallest inductor
E None of the above
In series resonant circuit, increasing inductance to its twice value and reducing capacitance to its half value
A Will change the maximum value of current at resonance
B Will change the resonance frequency
C Will change the impedance at resonance frequency
D Will increase the selectivity of the circuit
In an RL integrating circuit, the output voltage is taken across the inductor.
A True
B False
In an LC circuit, when the capacitor is maximum, the inductor energy is ___________
A Minimum
B Maximum
C Half-way between maximum and minimum
D None of the above
The self-inductance of the coil may be defined as equal to the e.m.f. induced in volts when the current in the circuit changes at the rate of unit Weber turns.
A Yes
B No
In the double tuned circuit, if the mutual inductance between the two tuned circuits is decreased, the level of resonance curve ___________
A Remains the same
B Is lowered
C Is raised
D None of the above
If you know the current anywhere in a series circuit, you know the current everywhere in a series circuit.
A True
B False

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