The capacitance and loss angle of a given capacitor specimen are best measured by
Wagner's earth devices are used in ac bridge circuits to
The gauge factor is defined as
Hot wire anemometer is a device used to measure the
If the response of a system to an input does not depend on the future values of the input, then which one of the following is true for the system ?
The discrete time system described by y(n) = x(n)2 is
Effective Q of the equivalent electrical circuit of quartz crystal is of the order of
The converse of magnetostriction effect is
The phenomenon known as "Early Effect" in a bipolar transistor refers to a reduction of the effective base-width caused by
Which of the following are true for h-parameters of transistors ?
1. They are real numbers at audio frequencies
2. They are easy to measure
3. They vary widely with temperature
Select the correct answer using the code given below:
Which one of the following bridges will be used for the measurement of very low resistance ?
The X- and Y-inputs of a CRO are respectively V sin φt and -V sin φt . The resulting Lissajous pattern will be
In a bistable multivibrator, commutating capacitors are used to
The switching circuit given in the figure can be expressed in binary logic notation as
Assuming that only logic inputs X and Y are available and their complements and are not available, the minimum number of two-input NAND gates required to implement would be
Which one of the following is not a property of root loci
For frequencies up to 1650 kHz, the transmitting antenna used is a