Analog Electronics - Study Mode

Show All Answers

[#361] Consider the following statements: Monolithic regulators can be used to 1. Realize a constant voltage regulator. 2. Realize a constant current regulator. 3. Introduce flexibility in setting output voltage level. Of these statements

(A) 1 and 2 are correct

(B) 1 and 3 are correct

(C) 2 and 3 are correct

(D) 1, 2 and 3 are correct

Correct Answer

(B) 1 and 3 are correct

[#362] The r.m.s. value of half wave rectified current is 50A. Its r.m.s. value for full wave rectification would be

(A) 100A

(B) $$frac{{50}}{pi }{ ext{A}}$$

(C) $$frac{{100}}{pi }{ ext{A}}$$

(D) 70.7A

Correct Answer

(D) 70.7A

[#363] How many stages are involved in bipolar op-amp?

(A) 2

(B) 3

(C) 4

(D) 6

Correct Answer

(B) 3

[#364] Consider the above circuit, for V i = V m sinωt, the output voltage V 0 for R L → ∞ will be:

(A) Zero

(B) V m

(C) 2V m

(D) -V m

Correct Answer

(C) 2V m

[#365] In the base biased transistor circuit, the junction temperature may vary from 25°C to 75°C. If β increase from 100 to 150 with raising temperature, percentage change in V CE point will be

(A) 40%

(B) -44.57%

(C) -46.57%

(D) -48%

Correct Answer

(B) -44.57%