A resistor wound with a wire doubled back on itself to reduce the inductance.
Bifilar resistor
Wire-wound resistor
Anti-inductive resistor
Bleeder resistor
Correct Answer :
A. Bifilar resistor
Related Questions
At what frequency will an inductor of 5mH have the same reactance as a capacitor of 0.1 F?
7.12 kHz
7.12 Hz
7.12MHz
7.12 GHz
If a coil has a Q of 10a it means that
The energy stored in the magnetic field of the coil is 10 times the energy wasted in its resistance
The energy wasted in its resistance is 10 times the energy stored in the magnetic field of the coil
It is a low Q coil
It is a high Q coil
What is a closed path made of several branches of the network called?
Junction
Node
Terminal
Loop
The result of rust in electrical (wire) connection is
Inductance
Conductance
Impedance
Resistance
According to Gauss theorema flux can be equated to
Charge
Field intensity
Current
Voltage
What refers to the lowest voltage across any insulator that can cause current flow?
Conduction voltage
Critical voltage
Breakdown voltage
Voltage capacity
What is the total effective capacitance of two 0.25 F capacitors connected in series?
0.125 F
1.25 F
0.50 F
2.5 if
The power factor of a certain circuit in which the voltage lags behind the current is 80 %. To increase the power to 100 %a it is necessary to add ___ to the circuit.
Inductance
Capacitance
Resistance
Impedance
The admittance of a parallel RLC circuit is found to be the ___ sum of conductance and susceptances.
Algebraic
Arithmetic
Vector
Phasor
What is the reciprocal of quality factor?
Power factor
Reactive factor
Dissipation factor
1/Q factor
The farad is not equivalent to which of the following combination of units
CV2
C2/J
C/V
J/V2
An ac series circuit is composed of a resistance of 20 a inductive reactance of 40 a and a capacitive reactance of 15 . If a current of 1 ampere is flowinga what is the applied voltage
320 V
32 V
220 V
22 V
The reactance curve is a plot of frequency versus _____ for a series RLCcircuit
Current
Voltage
Gain
Impedance
In Norton�s theorema the short circuit current is obtained by
Opening the load terminals
Shorting the load terminals
Opening the voltage source
Shorting the voltage source
Leakage resistance in a capacitor results into
Internal heating
Internal bleeding
Shorter useful life
Short-circuiting
Electron flow assumes charges flow from
Negative to positive
Negative to negative
Positive to negative
Positive to positive
When two coils of identical reactance are in parallel without mutual inductancea the reactance of the combination is ___ the reactance of each coil.
One half
Twice
Four times
One fourth
A capacitive load always has a ______ power facto
Leading
Lagging
Zero
Unity
If voltage across the plates of 2 F capacitor is increased by 4 Va then charge on the plates will
Decrease by 2 C
Increase by 2 C
Decrease by 4 C
Increase by 4C
The reason why alternating current can induce voltage is
It has high peak value
It has a stronger magnetic field than direct current
It has a constant magnetic field
It has a varying magnetic field
In a resonant circuita if Q ? 10 resonant frequency _______ bandwidth.
Bisects
Exceeds
Is less than
Is equal to
Series resonance occurs when
XL= XC
XL= R
Z = R
Both A and C
The average value of a triangular or sawtooth wave is _____ times its peak value.
What is the temperature coefficient of the resistance Eureka?
Infinity
Negative
Almost zero
Positive
An inductance of 1 mH is
0.001 H
0.01 H
0.0001 H
0.10 H
A capacitor consists of two
Conductors only
Dielectric only
Conductors separated by a dielectric
Dielectric separated by a conductor
What theorem is usually used in the analysis of transistor circuit?
Superposition theorem
Millman�s theorem
Thevenin�s theorem
Norton�s theorem
High resistance values are a consequence of the ___ of the film.
Thickness
Length
Thinness
Area
If the capacitance of mica capacitor is 5 times the capacitcitora then the relative permittivity of mica is
In a circuita an active element is one which
Supplies energy
Receives energy
Both supplies and receives energy
Amplifies signal