IES Exam Papers for Electronics

Hy Dear here I am searching for the IES Electronics Exam Papers so please can you provide me the papers and provide me the page where I can download the papers in the PDF format?

As you are looking for the ECE question paper of IES exam , here i am providing list of few questions for your idea.

8.A thole' in a semiconductor has
1. Positive charge equal to the electron charge.
2. Positive mass equal to the mass of the electron.
3. An 'effective mass' greater than the effective mass of electron.
4.Negative mass and positive charge equal to the charge in nucleus.
(a) I, 2, 3 and 4
(b) 1 and 3 only
(c) 2 and 4 only
(d) 3 and 4 only

A CE amplifier has an un bypassed emitter resistance of 0•5 kn and a collector load of
5 kn. The ~ of the transistor is 100 and it is operating at 1 rnA. The voltage gain of the
stage at mid band will be of the order of
(a) 200
(b) 100
(c) 10
(d) 50

A material shows• spontaneous magnetization. This is due to
1. Weiss molecular field.
2. Cooperative effect among dipoles.
3. Cooperative effect among domains.
4. Absence of applied magnetic field.
(a) I, 2, 3 and 4
(b) 2, 3 and 4 only
(c) I, 2 and 3 only

20. The peak output of a tuned amplifier is at 6 MHz and has quality factor of 60. The
bandwidth and 3 dB frequencies shall be
(a) 100 MHz, 6•05 MHz and 5•95 MHz
(b) 6 MHz, 9 MHz and 3 MHz
(c) 600 kHz, 6•6 MHz and 5•4 MHz
(d) 100 kHz, 6•05 MHz and 5•95 MHz

21. On applying an electric field of intensity 10 V Icm across a semiconductor at a certain
temperature the average drift velocity of free electrons is measured to be 70 m/s. Then lhe
electron mobility is
(a) 7 x 104 cm2/Vs
(b) 700 cm2/Vs
(c) 7 m2/Vs
(d) 700 cm/Vs

IES ECE Question Paper










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