15. Assuming drop across diode is 0.6V, find output voltage Vo?

10% ‏ب۸۸۵‎ 6
‏ہہب‎ 7 −
Vo=?
‏۷۔‎ t 8 5४ ‏ہی.۸‎ ഫ്രി

16. Find the maximum and minimum values of Zener diode current.

21.

22.

5k

80-120V

A CRO is set to a time base of 0.1ms/div with a 2V/div amplitude. Sketch the display of a pulse
signal waveform with a frequency 1kHz and amplitude 8V peak.
What is precision and resolution of measuring instruments?
Compare an analog multimeter with a digital multimeter.
How testing of a diode is carried out?
PART B
Answer any 4 complete questions each having 10 marks
Differentiate the capacitors based on the types of dielectric used and explain their construction.
(10)

A) Explain the constructional details of carbon composition resistors? (5)
B) Explain the formation of a potential barrier in a p-n junction and show the polarity of the
Barrier potential (5)
A) Explain the working of an RC coupled amplifier with a neat circuit diagram. (6)

B) Explain the frequency response curve. (4)