Related Questions
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What is the specific resistance of a pure silicon?
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The temperature-resistance coefficient of pure gold is
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If two resistances of 9 and 6 are connected in parallela the total resistance is
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The voltage cannot be exactly in phase with the current in a circuit that contains
C. Inductance and capacitance
D. Inductancea capacitance and resistance
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4
If two equal resistances connected in series across a certain supply are now connected in parallel across the same supplya the power produced will be _____ that of series connection
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What is the reciprocal of quality factor?
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An inductance of 1 mH is
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What is the most convenient way of achieving large capacitance?
A. By using multiplate construction
B. By using air as dielectric
C. By decreasing distance between plates
D. By using dielectric of low permittivity
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4
What is the rms value of a square wave?
B. Equals its peak-to-peak value
C. Peak divided by square root of two
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The reactance curve is a plot of frequency versus _____ for a series RLCcircuit
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And ideal current source has an internal conductance of _____ siem
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Which of the following has negative temperature coefficient?
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The farad is not equivalent to which of the following combination of units
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Which of the following has a positive temperature coefficient?
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The mutual inductance between two coils is ___ the reluctance of magnetic path.
A. Directly proportional to
B. Inversely proportional to
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In adding or subtracting phasor quantitiesa ___ form is the most convenient.
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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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Which component opposes voltage change?
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Series resonance occurs when
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Which of the following is the peakiest?
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If an emf in circuit A produces a current in circuit Ba then the same emf in circuit Bproduces the same current in circuit ? this theorem is known as
A. Maximum power transfer theorem
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4
Rationalizing the denominator of a complex number means
A. Eliminating the j component in the denominator
B. Adding j component in the denominator
C. Eliminating the j component in the numerator
D. Adding j component in the numerator
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4
A capacitor is basically constructed of
A. Two conductors separated by a dielectric
B. Two dielectric separated by a conductor
C. Conductors and dielectric
D. Conductors and semiconductors
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What is a closed path made of several branches of the network called?
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Tungsten filament of bulbs has a hot resistance higher than its cold resistance due to its temperature coefficient which is
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What dielectric is generally employed by a variable capacitor?
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A real current source has
A. Infinite internal resistance
B. Zero internal resistance
C. Large internal resistance
D. Small internal resistance
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What is the temperature coefficient of the resistance Eureka?
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An intermittent and non-symmetrical alternating current like that obtained from the secondary winding of an induction coil
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A switch designed to have low capacitance between its terminal when open.
C. Anticapacitance switch