The second strip of an electronic resistor color-code represents
The second digit of the value
Correct Answer :
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The internal resistance of an ideal current source is
The charging of a capacitor through a resistance follows what law?
The potential gradient in a cable is maximum in
In an inductive coila the rate of rise of current is maximum
What is the complex impedance of a circuit with an absolute resistance of 300 ?
Which is considered as the effect of a dielectric material?
Which of the following has negative temperature coefficient?
The Q-factor of a parallel resonant circuit is also known as
Which of the following elements is active?
What dielectric is generally employed by a variable capacitor?
What is the specific resistance of a pure silicon?
In a rectangular wavea the form factor is
What is the peak factor of a triangular wave?
The temperature coefficient of resistance of electrolytes is
Which of the following is a preferred resistor value?
What is considered as the most important value of a sine wave?
The factor 0.707for converting peak to rms applies only to
In an ac circuit with inductive reactance ?, the
If a capacitor is rated for 200V dca what is its effective ac working voltage?
In a circuita an active element is one which
What is the cross-sectional are of a conductor whose diameter is 0.001 inch?
The Q-factor of a series resonant circuit is also known as
The farad is not equivalent to which of the following combination of units
In a complex resistance-reactance planea XLis represented
What theorem is generally used in the analysis of vacuum tubes?
When the temperature of copper wire is increased its resistance is
At parallel resonancea the currents flowing through L and C are
For a carbon composition resistora typical resistance values range from
The ratio between the active power and the apparent power of a load in an ac circuit is called
If three 100-pF capacitors are connected in seriesa then the total capacitance is
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