Related Questions
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4
What is the other name of relative permittivity?
D. Specific inductance capacity
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4
If one resistance in a series connection is opena then
A. The current is zero in all the other resistances
B. The current is maximum in all the other resistances
C. The voltage is zero across the open resistance
D. The voltage is infinite across the open resistance
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4
What value of R is needed with a 0.05 F Cfor an RCtime constant of 0.02 s?
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4
In the 5-band method of capacitor color codinga the first band indicates
A. Temperature coefficient
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4
The current is ____ times the maximum current at half-power points of a resonance curve.
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4
When voltage is applied across a ceramic dielectric the electrostatic field p roduced is 50 times greater than air dielectric. The dielectric constant of ceramic therefore is
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4
According to Gauss theorema flux can be equated to
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4
For maximum power transfera what is the relation between load resistance RL and internal resistance R of the voltage source?
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4
What is the total effective capacitance of two 0.25 F capacitors connected in series?
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4
The farad is not equivalent to which of the following combination of units
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4
Series resonant circuit is sometimes known as
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4
High resistance values are a consequence of the ___ of the film.
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4
The charging of a capacitor through a resistance follows what law?
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4
What theorem is usually used in the analysis of transistor circuit?
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4
Which of the following is a way of decreasing mutual inductance?
A. Moving the coils closer
B. Moving the coils apart
C. Decreasing the number of turns of either coil
D. Increasing the number of turns of either coil
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4
A three-by-threea series-parallel matrix of resistorsa all having the same ohmic valuea would have a net resistance of
A. One-third the value of a single resistor
B. Three times the value of a single resistor
C. The same value as a single resistor
D. Nine times the value of a single resistor
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4
Points to be considered in choosing a capacitor
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4
If three 100-pF capacitors are connected in seriesa then the total capacitance is
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4
If the inductance is decreaseda the impedance of the circuit containing a resistor a capacitor and an inductor connected in series to an ac source
C. Decreases or increases
D. Decreasesa increases or remains the same
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4
When the power factor of a circuit is zeroa
A. Power absorbed is maximum
B. Power absorbed is minimum
C. Power absorbed is zero
D. The impedance is minimum
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4
In an ac circuita the power dissipated as heat depends on
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4
A series RL circuit has R of 10 and XL of 5 a its impedance in rectangular form is given by
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4
In a circuita an active element is one which
C. Both supplies and receives energy
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4
In a resonant circuita if Q ? 10 resonant frequency _______ bandwidth.
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4
The ratio between the reactive power and the apparent power of an ac load is called
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4
The ___ of an alternating quantity is defined as the fractional part of a period or cycle through which the quantity has advanced from selected origin.
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4
What is the reading of an ohmmeter for a shorted capacitor?
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4
In liquids and gasesa ionization current results from a flow of
A. Positive or negative ions
C. Ions that are lighter in weight than electrons
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4
The superposition theorem is used when the circuit contains
C. Number of voltage sources
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4
What is the form factor of a triangular wave?