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EC QUIZ -3
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Question 1
In the circuit shown below if I1 = 50mA, then what is the value of I2?
Question 2
If a carrier modulated by a digital bit stream had one of the possible phases of 0, 90, 180 and 270 degrees then modulation is called
Question 3
At a junction,3 currents I1, I2, I3 are meeting. Assume all the currents are entering the node.
If I1= -6sin(t)mA and I2 = 8cos(t)mA, then I3 will be
If I1= -6sin(t)mA and I2 = 8cos(t)mA, then I3 will be
Question 4
Consider the z-transform . If ROC includes unit circle then the value of x[1] is
Question 5
The value of voltage VO in the following circuit is equal to
Question 6
Binary data with a rate of 6 kbps is baseband modelled using raised cosine filter. If this signal has to be transmitted through a baseband channel of bandwidth 4 kHz, then the maximum allowed value of the roll-off factor of the raised cosine filter will be
Question 7
If both diodes are ideal in circuit shown below, then average value of the output signal is _______ volts.
Question 8
The state of the silicon transistor in the circuit shown below is in _____ region
[Given β = 150, VBE(sat) = 0.8V, VBE(active) = 0.7 V, VCE(Sat) = 0V, VD for diodes D1 and D2 is 0.7 V]
Question 9
Two perfectly matched silicon transistors are connected as shown in figure. The value of
the current I is
the current I is
Question 10
For the system shown below, the state-space equation is . The matrix A is
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ESE & GATE ECGeneralNov 19ESE & GATE EC