List of practice Questions

Primary advantage of a crystal oscillator is that ________.
A voltage source of 300 V has internal resistance of 4\(\Omega\) and supplies a load having the same resistance. The power absorbed by the load is
The current flowing through an unloaded voltage divider is called the ________.
In superposition theorem, voltage source is replaced by ________ and current source by ________.
For a base current of 10 \(\mu\)A, what is the value of collector current in common emitter, if \(\beta = 100\)?
A phase lag-lead network introduces in the output_______.
In AM_______.
An antenna has directivity of 100 and operates at 150 MHz. The maximum effective aperture is
If carrier and modulating frequency are 100 kHz and 5 kHz respectively, the bandwidth of AM transmission will be _______.
Determine the Laplace transform of \(x(t) = (t^2 - 2t)u(t - 1)\)
The maximum power efficiency of an AM modulator is _______.
In a simple RC high-pass filter, the desired roll-off frequency is 15 Hz and \(C = 10\ \mu F\). The value of \(R\) would be _______.
The binary code of $(21.125)_{10}$ is _______.
As per Boolean algebra, (A + B)(A + C) = _______.
The medium which reflects high frequency radio waves back to the earth’s surface is called _______.
Changes in temperature will affect the level of _______.
For the SOP expression $A\overline{B}C + \overline{A}BC + AB\overline{C}$, how many 1s are in the truth table’s output column?
The envelope detector is a/an _______.
An FM signal having a modulation Index of $M$ is passed through a frequency tripler. The FM signal at the output of tripler will have a modulation index of _______.

What architectural structure balances the bridge weight? (Refer to the image of a truss bridge) 

A train travels 60 km in 1 hour and 30 minutes. What is its average speed?
Solve for \( x \): \( 3x + 5 = 20 \)
A shopkeeper sells an article at a 20 percent profit. If the cost price is Rs 500, what is the selling price?
If all roses are flowers and some flowers fade quickly, which of the following is true?
Fill in the blank: "He is the one ...... helped me."