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Answer 1

Explanation:

Q3. Answer the following. (Any Four) (16)

a) Draw & explain block diagram of regulated power supply

b) Write a short note about four diodes

c) Draw diagram of bridge rectifier.

d) Explain forward biased in PN junction diode

e) Differentiate P type material with N type material

Q4. Answer the following. (Any Two) (12)

a) Explain half wave rectifier & full wave rectifier with centre tap.

b) Define: i) Atom ii) Intrinsic semiconductor

iii) Extrinsic semiconductor iv) Diode v) Depletion region

c) Draw the following symbols----

i) Step up transformer ii) Variable resistor iii) AC voltmeter

iv) AC voltage v) Battery vi) Ohm meter